Clara Rockmore, American classical violin prodigy and theremin player (died 1998)

Clara Reisenberg Rockmore was a Litvak classical violin prodigy and a virtuoso performer of the theremin, an electronic musical instrument. She was the sister of pianist Nadia Reisenberg.

The theremin is an electronic musical instrument controlled without physical contact by the performer. It is named after its inventor, Leon Theremin, who patented the device in 1928.

March 9 is the 68th day of the year in the Gregorian calendar; 297 days remain until the end of the year.