He also served as personal physician to musician and composer Duke Ellington from 1937,[7] and to Billy Strayhorn.
(Upper Manhattan Medical Group)" honored Logan among the founders and partners of the ground-breaking clinic.
Logan was appointed by Mayor Robert F. Wagner as first chairman of the New York City Council Against Poverty.
Logan's second marriage was to Marian Bruce (1919–1993),[7] a cabaret singer and recording artist.
Logan's son Warren was aged 10 at the time of his father's death in Manhattan in November 1973.