Wilson was appointed to the faculty of the Yale School of Music, New Haven, Connecticut, in 1946.
In February 1956 he led members of the Yale Concert Band in the first documented performance of "Set No.
pg.292) His last appearance as soloist was the Concertino for Clarinet by Carl Maria von Weber, with the Yale Concert Band (Thomas C. Duffy, Music Director) on 6 December 1985.
His last chamber music appearance was 15 July 1990 playing Béla Bartók's Contrasts for clarinet, violin and piano at the Norfolk Chamber Music Festival ion Norfolk, Connecticut.
On his retirement in 1987, the Yale School of Music commissioned a piece in his honor: "Songs of Sea and Sky" by Tasmanian/Australian composer Peter Sculthorpe.