(eq leq © 4.0} © 14.0} Ww Ww 0.5 + 0.5 + 0.0 4 ; 0.0 4 1 1900 1933 1945 1975 2000 1900 1936 1985 2000 1e-5 Year 1e-6 1e-8 Year C4 ; ; 4Des os — BT —— John Howard Lawson — Ti 7+ — Albert Maltz 4 Tiananmen — Dalton Trumbo 37 a3 6 + —~ Alvah Bessie 4 —— Edward Dmytryk roy roy 5 + ~~ Herbert Biberman 4 5 5 ~~ Lester Cole