Misc: What did d.w griffith invent?

Questions

in the tv western series "bonanza", what was the name of the ranch?

in the film version of willy russell's play, who played shirley valentine?

which film director's films include "midnight express" and "bugsy malone"?

which film director's films include "raging bull" and "goodfellas"?

in which fritz lang film of 1926 do impoverished workers live beneath a city?