|Born||13 August 1891|
|Died||25 August 1966|
|Occupation||Film director, screenwriter|
He directed some 20 films between 1920 and 1950.
His 1940 film Après Mein Kampf mes crimes (My Crimes after Mein Kampf) was a propaganda film directed against Nazi Germany and Adolf Hitler's policies. Germany had invaded Poland, Ryder's homeland, a year earlier in 1939.