He was known for his self-avowed “seventh sense” to discover and promote stars such as Mickey Rooney, Judy Garland, Lucille Ball, and in 1937 Ronald Reagan who was then a sportscaster in Des Moines, Iowa.
In 1960, he left the studio and once again became an independent agent for the likes of Nat King Cole, Pat O'Brien, and his close friend Ronald Reagan.
[3][4] For contributions to the motion picture industry he was honored with a star on the Hollywood Walk of Fame at 1777 Vine Street.
[5] the star is inscribed simply "Meiklejohn" as it was dedicated to not only William but also his siblings, sister Jean and brother Campbell.
Jean ran the Meiklejohn and Dunn Theatrical agency which was located in the Majestic Theatre building in Hollywood, along with another brother Matthew.