[8] He produced 34 plays on Broadway from 1933 through 1956; including the original productions of The Devil and Daniel Webster (1939), Margin for Error (1939), Goodbye, My Fancy (1948), The Moon Is Blue (1951), and Dear Charles (1954).
[3] He also produced numerous Broadway revivals, including The Importance of Being Earnest (1939), The Playboy of the Western World (1946), Volpone (1948), Caesar and Cleopatra (1949), and The Devil's Disciple (1950).
[3] In 1945–1946 he produced a critically lauded tour to the United States by England's The Old Vic with Laurence Olivier and Ralph Richardson.
[3] In collaboration with John Shubert and Broadway executive Warren Caro, he played an instrumental leadership role in designing and establishing the ANTA's "Forty Theatre Circuit Plan" in 1955; a plan designed to bring high quality American plays with critically established performers to regional theaters throughout the United States.
[10] In 1940, Aldrich married the actress Gertrude Lawrence and notably produced a celebrated revival of Pygmalion starring his wife in 1945.
After her death from cancer in 1952, he wrote the book Gertrude Lawrence as Mrs. A: An Intimate Biography of a Great Star (published 1955, Greystone Press).
[3] He was made deputy director (later director) of the United States Foreign Operations Administration (USFOA) mission in Spain in 1955 (later the International Cooperation Administration, ICA) where he served under his friend and former Harvard University classmate John Davis Lodge (then United States Ambassador to Spain).