Robert L. Jacks
He married the daughter of Daryl F. Zanuck who gave him a job at 20th Century Fox.
- Obituary 1987 Sight and Sound; London Vol. 57, Iss. 1, (Winter 1987): 4.
- ZANUCKS ANNOUNCE DAUGHTER WEDDED Hopper, Hedda. Los Angeles Times 9 Nov 1949: A1
- 'Siege' to Be Reproduced Martin, Betty. Los Angeles Times 19 July 1968: e14.