Alexander Cores was a violinist

Violin

The violin is a string instrument, usually with four strings tuned in perfect fifths. It is the smallest, highest-pitched member of the violin family of string instruments, which includes the viola and cello....

 and founder and first violin of the Dorian String Quartet.

Born in Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

, Cores studied 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...

 and at the Juilliard School

Juilliard School

The Juilliard School, located at the Lincoln Center for the Performing Arts in New York City, United States, is a performing arts conservatory which was established in 1905...

 under Leopold Auer

Leopold Auer

Leopold Auer was a Hungarian violinist, teacher, conductor and composer.-Early life and career:...

 and Paul Kochanski

Paul Kochanski

Paul Kochanski was a Polish violinist, composer and arranger.- Training and early career :...

. Cores was a member of the New York Philharmonic

New York Philharmonic

The New York Philharmonic is a symphony orchestra based in New York City in the United States. It is one of the American orchestras commonly referred to as the "Big Five"...

 from 1925 to 1931. His Dorian String Quartet performed a series of contemporary music concerts on CBS Radio

CBS Radio

CBS Radio, Inc., formerly known as Infinity Broadcasting Corporation, is one of the largest owners and operators of radio stations in the United States, third behind main rival Clear Channel Communications and Cumulus Media. CBS Radio owns around 130 radio stations across the country...

. He performed on recordings for Columbia Masterworks Records

Columbia Masterworks Records

Columbia Masterworks Records was a record label started in 1927 by Columbia Records.It was intended for releases of classical music and artists, as opposed to popular music, which bore the regular Columbia logo. Masterworks Records' first release, in 1927, was a complete performance of the...

 and Vox Records

Vox Records

VOX Records is a budget classical record label. The name is Latin for "voice."-History:Vox was founded in 1945, starting out with 78-rpm discs, specializing in licensed pressings of classical recordings made in Europe. It was one of the last major recording companies to adopt stereo recording,...

. He also taught comedian Jack Benny

Jack Benny

Jack Benny was an American comedian, vaudevillian, and actor for radio, television, and film...

 to play the violin poorly for comedic effect. In 1989, he joined the violin faculty at the Mannes College of Music

Mannes College of Music

Mannes College The New School for Music is The New School university's music conservatory. While the university's main campus is located in Greenwich Village, New York City, Mannes maintains its main academic building on the Upper West Side of Manhattan....

.

Cores was the brother of violist

Viola

The viola is a bowed string instrument. It is the middle voice of the violin family, between the violin and the cello.- Form :The viola is similar in material and construction to the violin. A full-size viola's body is between and longer than the body of a full-size violin , with an average...

 Michael Cores

Michael Cores

Michael Cores was a violist.Born in Kiev when it was part of the Russian Empire, Cores earned a Doctor of Natural Science degree from Kiev University and a doctorate from the University of Moscow. He worked as a lawyer before moving to the United States in 1923.Cores studied music at the Moscow...

 and the uncle of novelist Lucy Cores

Lucy Cores

Lucy Michaella Cores Kortchmar was a Russian-American novelist.Born in Moscow, Cores was the daughter of violist Michael Cores and the niece of violinist Alexander Cores. Her family fled the Russian Revolution and arrived in the United States in 1921...

.