He became involved with films when Paramount bought the rights to one of his novels in the early 1930s and he went to that studio to work as a screenwriter.
While he was at Warner Bros., his contract allowed him to take leave to write for Collier's magazine, and in that way he reported on the Spanish Civil War, the conference at Munich, and the Battle of Britain.
[2] After writing and consulting on Perry Mason, Krims' first project as a TV producer was Hotel de Paree in 1959.
[3][2] On July 11, 1988, Krims died of pneumonia at the Motion Picture Country Home and Hospital in Woodland Hills, California, at age 84.
[2] The Academia Mondiale Degli Artisti Proffessionisti in Italy awarded him an honorary doctor of literature degree.