Fritz Sennheiser
Encyclopedia
Fritz Sennheiser was a German
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 inventor and entrepreneur who founded and served as chairman of Sennheiser Electronic
Sennheiser
Sennheiser electronic GmbH & Co. KG is a private German audio company specializing in the design and production of a wide range of both consumer and high fidelity products, including microphones, headphones, telephony accessories, and avionics headsets for consumer, professional, and business...

, a manufacturer of audio equipment.

Early life and education

Born in Berlin
Berlin
Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

 on May 9, 1912, grew up with an interest in radios and electronics. Sennheiser built a crystal radio when he was 11 years old after seeing an early radio. He had originally hoped to become a landscape gardener, but chose instead to pursue electrical engineering at the Berlin Institute of Technology and earned a Ph.D. from the Heinrich Hertz Institute in 1940. Sennheiser developed a reverberation unit that was used at the 1936 Summer Olympics
1936 Summer Olympics
The 1936 Summer Olympics, officially known as the Games of the XI Olympiad, was an international multi-sport event which was held in 1936 in Berlin, Germany. Berlin won the bid to host the Games over Barcelona, Spain on April 26, 1931, at the 29th IOC Session in Barcelona...

 in Berlin. He was responsible for sending coded messages for the German Army during World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

.

Business

Sennheiser went into business for himself, and achieved early success with a tube voltmeter
Voltmeter
A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit. Analog voltmeters move a pointer across a scale in proportion to the voltage of the circuit; digital voltmeters give a numerical display of voltage by use of an analog to...

 and microphone, both of which were purchased by Siemens
Siemens
Siemens may refer toSiemens, a German family name carried by generations of telecommunications industrialists, including:* Werner von Siemens , inventor, founder of Siemens AG...

. Later products included the his 1950s invention of the shotgun microphone, early wireless microphones as well as its distinctive headphones that fit over the ear with flat, disc-shaped headpieces. Sennheiser stepped down as chairman in 1982, turning the reins over to his son Jörg. By the time of his death, the family-owned business employed 2,100 people with manufacturing facilities in Germany, Ireland and the United States and had sales of $500 million in 2008.

Recognition

The Academy of Motion Picture Arts and Sciences
Academy of Motion Picture Arts and Sciences
The Academy of Motion Picture Arts and Sciences is a professional honorary organization dedicated to the advancement of the arts and sciences of motion pictures...

 recognized Sennheiser in 1987 with its Scientific and Engineering Award for the development of the MKH 816 shotgun microphone. The Audio Engineering Society
Audio Engineering Society
Established in 1948, the Audio Engineering Society draws its membership from amongst engineers, scientists, other individuals with an interest or involvement in the professional audio industry. The membership largely comprises engineers developing devices or products for audio, and persons working...

(AES) awarded Sennheiser a fellowship in 1976, an honorary membership in 1980, and with its highest accolade, the AES Gold Medal, in 2002.

Sennheiser died at age 98 on May 17, 2010 and was survived by his son, daughter, three grandchildren; and seven great-grandchildren.
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