Sidney Singer was born on 19 November 1929 in Detroit, Michigan, USA. He was married to Elizabeth Allred and Magdalene. He died on 24 November 2016 in Santa Fe, New Mexico, USA.
Particle physicist at Los Alamos National Laboratory. he is the younger brother of MIT Emeritus professor Isadore Singer (May 3, 1924 - February 11, 2021).