Question: While Anatole Litvak and Kinji Fukasaku are both directors, were they both responsible for their own screenplays as well?

Related documents: [0]  [DOC] Anatole Litvak (Russian: Анато́ль Литва́к ; May 21, 1902 – December 15, 1974) was a Russian-born American filmmaker who wrote, directed, and produced films in various countries and languages. He began his theatrical training at age 13 in Leningrad. [END] 
[1]  [DOC] Kinji Fukasaku (深作 欣二 , Fukasaku Kinji , 3 July 1930 – 12 January 2003) was a Japanese film director and screenwriter. [END]  
Answer: yes
yes