Merle Tuve
Encyclopedia
Merle Anthony Tuve, PhD
PHD
PHD may refer to:*Ph.D., a doctorate of philosophy*Ph.D. , a 1980s British group*PHD finger, a protein sequence*PHD Mountain Software, an outdoor clothing and equipment company*PhD Docbook renderer, an XML renderer...

 (June 27, 1901 - May 20, 1982) was an American scientist and geophysicist who was the founding director of the Johns Hopkins University Applied Physics Laboratory. He was a pioneer in the use of pulsed radio waves
Radio waves
Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light. Radio waves have frequencies from 300 GHz to as low as 3 kHz, and corresponding wavelengths from 1 millimeter to 100 kilometers. Like all other electromagnetic waves,...

 whose discoveries opened the way to the development of radar
Radar
Radar is an object-detection system which uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. The radar dish or antenna transmits pulses of radio...

 and nuclear energy
Nuclear power
Nuclear power is the use of sustained nuclear fission to generate heat and electricity. Nuclear power plants provide about 6% of the world's energy and 13–14% of the world's electricity, with the U.S., France, and Japan together accounting for about 50% of nuclear generated electricity...

.

Background

Merle Antony Tuve was born in Canton, South Dakota
Canton, South Dakota
Canton is a city in and the county seat of Lincoln County, South Dakota, United States. The city was named by Norwegian settler and former legislator James M. Wahl...

. He and physicist Ernest Lawrence
Ernest Lawrence
Ernest Orlando Lawrence was an American physicist and Nobel Laureate, known for his invention, utilization, and improvement of the cyclotron atom-smasher beginning in 1929, based on his studies of the works of Rolf Widerøe, and his later work in uranium-isotope separation for the Manhattan Project...

 were childhood friends. All four of his grandparents were born in Norway
Norway
Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

 and subsequently immigrated to the United States. His father, Anthony G. Tuve, was president of Augustana College
Augustana College (South Dakota)
Augustana College is a private, liberal arts college affiliated with the Evangelical Lutheran Church in America located in Sioux Falls, South Dakota, United States. The campus makes the school the largest private university in South Dakota...

 and his mother, Ida Marie Larsen Tuve, taught music there. After Tuve's father died in the influenza epidemic of 1918, the family moved to Minneapolis, where Merle attended the University of Minnesota
University of Minnesota
The University of Minnesota, Twin Cities is a public research university located in Minneapolis and St. Paul, Minnesota, United States. It is the oldest and largest part of the University of Minnesota system and has the fourth-largest main campus student body in the United States, with 52,557...

  (BS Physics, 1922) and (MS Physics, 1923). Following a year at Princeton
Princeton University
Princeton University is a private research university located in Princeton, New Jersey, United States. The school is one of the eight universities of the Ivy League, and is one of the nine Colonial Colleges founded before the American Revolution....

 where he was an instructor, Tuve subsequently went to work for his doctorate at Johns Hopkins University
Johns Hopkins University
The Johns Hopkins University, commonly referred to as Johns Hopkins, JHU, or simply Hopkins, is a private research university based in Baltimore, Maryland, United States...

 (PhD Physics, 1927).

Career

In 1925, with physicist Gregory Breit
Gregory Breit
Gregory Breit was a Russian-born American physicist and professor at universities in New York, Wisconsin, Yale, and Buffalo...

, he used radio waves to measure the height of the ionosphere and probe its interior layers. The observations he made provided the theoretical foundation for the development of radar
Radar
Radar is an object-detection system which uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. The radar dish or antenna transmits pulses of radio...

. He was among the first physicists to use high-voltage accelerators to define the structure of the atom. In 1933 he confirmed the existence of the neutron
Neutron
The neutron is a subatomic hadron particle which has the symbol or , no net electric charge and a mass slightly larger than that of a proton. With the exception of hydrogen, nuclei of atoms consist of protons and neutrons, which are therefore collectively referred to as nucleons. The number of...

 and was also able to measure the bonding forces in atomic nuclei.

Tuve proposed that an electronically activated proximity fuze would make anti-aircraft fire far more effective, and led the team of scientists that developed the device, which proved crucial in the allies' victory in World War II. He led in the development of the proximity fuze
Proximity fuze
A proximity fuze is a fuze that is designed to detonate an explosive device automatically when the distance to target becomes smaller than a predetermined value or when the target passes through a given plane...

 at the Johns Hopkins University Applied Physics Laboratory and also made contributions to experimental seismology
Seismology
Seismology is the scientific study of earthquakes and the propagation of elastic waves through the Earth or through other planet-like bodies. The field also includes studies of earthquake effects, such as tsunamis as well as diverse seismic sources such as volcanic, tectonic, oceanic,...

, radio astronomy
Radio astronomy
Radio astronomy is a subfield of astronomy that studies celestial objects at radio frequencies. The initial detection of radio waves from an astronomical object was made in the 1930s, when Karl Jansky observed radiation coming from the Milky Way. Subsequent observations have identified a number of...

, and optical astronomy.

In 1942, Merle Tuve was the founding director of the Johns Hopkins University Applied Physics Laboratory. Merle Tuve was the Director of Terrestrial Magnetism Research at the Carnegie Institution for Science
Carnegie Institution for Science
The Carnegie Institution for Science is an organization in the United States established to support scientific research....

 (1946–66). He served on the first U.S. National Commission for UNESCO
UNESCO
The United Nations Educational, Scientific and Cultural Organization is a specialized agency of the United Nations...

, on the National Research Council
United States National Research Council
The National Research Council of the USA is the working arm of the United States National Academies, carrying out most of the studies done in their names.The National Academies include:* National Academy of Sciences...

 Committee on Growth, and on the U.S. Committee for the International Geophysical Year
International Geophysical Year
The International Geophysical Year was an international scientific project that lasted from July 1, 1957, to December 31, 1958. It marked the end of a long period during the Cold War when scientific interchange between East and West was seriously interrupted...

. He was the first chairman of the Geophysical Research Board of the National Academy of Sciences
United States National Academy of Sciences
The National Academy of Sciences is a corporation in the United States whose members serve pro bono as "advisers to the nation on science, engineering, and medicine." As a national academy, new members of the organization are elected annually by current members, based on their distinguished and...

 and home secretary of the National Academy of Sciences
United States National Academy of Sciences
The National Academy of Sciences is a corporation in the United States whose members serve pro bono as "advisers to the nation on science, engineering, and medicine." As a national academy, new members of the organization are elected annually by current members, based on their distinguished and...

.

Personal life

Merle Tuve had two brothers: George Lewis Tuve, who was a professor of mechanical engineering and Richard Larsen Tuve, who was an inventor and chemist. Their sister, Rosemond Tuve
Rosemond Tuve
Rosemond Teresa Marie Tuve was an American scholar of English literature, specializing in Renaissance literature—in particular, Edmund Spenser.-Biography:...

. was an author and professor of Renaissance Literature at Connecticut College
Connecticut College
Connecticut College is a private liberal arts college located in New London, Connecticut.The college was founded in 1911, as Connecticut College for Women, in response to Wesleyan University closing its doors to women...

. Merle Tuve was married in 1927 to Winifred Gray Whitman. Merle and Winifred had two children, Trygve and Lucy. Both earned Ph.D. degrees and pursued scientific careers.

Honors

For his service to the nation during World War II, Tuve received the Presidential Medal for Merit
Presidential Medal for Merit
The Medal for Merit was, during the period it was awarded, the highest civilian decoration of the United States, awarded by the President of the United States to civilians for "exceptionally meritorious conduct in the performance of outstanding services ... since the proclamation of an emergency by...

 from President Harry S. Truman
Harry S. Truman
Harry S. Truman was the 33rd President of the United States . As President Franklin D. Roosevelt's third vice president and the 34th Vice President of the United States , he succeeded to the presidency on April 12, 1945, when President Roosevelt died less than three months after beginning his...

 and was named an Honorary Commander of the Order of the British Empire
Order of the British Empire
The Most Excellent Order of the British Empire is an order of chivalry established on 4 June 1917 by George V of the United Kingdom. The Order comprises five classes in civil and military divisions...

 in 1948. Mount Tuve
Mount Tuve
Mount Tuve is a mountain whose summit rises above the ice surface just south of the base of Wirth Peninsula, Ellsworth Land. It was discovered by the Ronne Antarctic Research Expedition , 1947-48, under Finn Ronne...

 in Ellsworth Land
Ellsworth Land
Ellsworth Land is that portion of the Antarctic continent bounded on the west by Marie Byrd Land, on the north by Bellingshausen Sea, on the northeast by the base of Antarctic Peninsula, and on the east by the western margin of Ronne Ice Shelf. It extends between 103°24'W and 79°45'W...

 in Antarctica was named in honor of Merle Anthony Tuve. The Library of Congress holds his papers in more than 400 archival boxes.

Awards

  • William Bowie Medal
    William Bowie Medal
    The William Bowie Medal is awarded annually by the American Geophysical Union for 'outstanding contributions to fundamental geophysics and for unselfish cooperation in research"...

     awarded by the American Geophysical Union
    American Geophysical Union
    The American Geophysical Union is a nonprofit organization of geophysicists, consisting of over 50,000 members from over 135 countries. AGU's activities are focused on the organization and dissemination of scientific information in the interdisciplinary and international field of geophysics...

  • Howard N. Potts Medal presented by the Franklin Institute
    Franklin Institute
    The Franklin Institute is a museum in Philadelphia, Pennsylvania, and one of the oldest centers of science education and development in the United States, dating to 1824. The Institute also houses the Benjamin Franklin National Memorial.-History:On February 5, 1824, Samuel Vaughn Merrick and...

     of Philadelphia, Pennsylvania
    Philadelphia, Pennsylvania
    Philadelphia is the largest city in the Commonwealth of Pennsylvania and the county seat of Philadelphia County, with which it is coterminous. The city is located in the Northeastern United States along the Delaware and Schuylkill rivers. It is the fifth-most-populous city in the United States,...

  • Comstock Prize in Physics
    Comstock Prize in Physics
    The Comstock Prize in Physics is awarded by the U.S. National Academy of Sciences "for recent innovative discovery or investigation in electricity, magnetism, or radiant energy, broadly interpreted."...

     awarded by the National Academy of Sciences
    United States National Academy of Sciences
    The National Academy of Sciences is a corporation in the United States whose members serve pro bono as "advisers to the nation on science, engineering, and medicine." As a national academy, new members of the organization are elected annually by current members, based on their distinguished and...

     (1948)
  • Order of the Condor of the Andes
    Order of the Condor of the Andes
    The Order of the Condor of the Andes is a medal of the Bolivian government.Instituted on April 12, 1925, the Order is awarded for exceptional merit, either civil or military, shown by Bolivians or foreign nationals...

     issued by the nation of Bolivia
    Bolivia
    Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...

  • Cosmos Club Award issued by the Cosmos Club
    Cosmos Club
    The Cosmos Club is a private social club in Washington, D.C., founded by John Wesley Powell in 1878. In addition to Powell, original members included Clarence Edward Dutton, Henry Smith Pritchett, William Harkness, and John Shaw Billings. Among its stated goals is "The advancement of its members in...

  • John Scott Award
    John Scott Award
    The John Scott Legacy Medal and Premium, created in 1816, is a medal presented to men and women whose inventions improved the "comfort, welfare, and happiness of human kind" in a significant way...

     issued by the City of Philadelphia

Selected works

  • Velocity structures in Hydrogen Profiles: A sky atlas of neutral hydrogen emission (1973)
  • The Third Cosmos Club Award: Merle A. Tuve (1966)
  • The Forces Which Govern the Atomic Nucleus (1938)

Related reading

  • Tuve, George Lewis The Tuve-Tuff-Tew brothers: Five Norwegian immigrants and their families (Tuve. 1977)
  • Evans, Margaret Rosemond Tuve. A Life of The Mind (Peter E. Randall Publisher. 2004)

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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