From Wikipedia Robert Riskin (March 30, 1897–September 20, 1955) was an American screenwriter and playwright, best known for his collaborations with director-producer Frank Capra.
It Happened One Night
(Screenplay)
Lost Horizon
(Screenplay)
Mr. Deeds Goes to Town
(Screenplay)
Meet John Doe
(Screenplay)
Platinum Blonde
(Dialogue)
You Can't Take It with You
(Scenario Writer)
You Can't Take It with You
(Screenplay)
The Thin Man Goes Home
(Story)
The Thin Man Goes Home
(Screenplay)
Lady for a Day
(Screenplay)
Ex-Lady
(Story)
The Whole Town's Talking
(Screenplay)
Magic Town
(Story)
Rough and Ready Reggie
(Writer)
When You're in Love
(Director)
Broadway Bill
(Screenplay)
Virtue
(Screenplay)
Arizona
(Adaptation)
Arizona
(Dialogue)
Mister 880
(Screenplay)
Riding High
(Screenplay)
Half Angel
(Screenplay)
The Real Glory
(Associate Producer)
Magic Town
(Writer)
Men in Her Life
(Writer)
Three Wise Girls
(Writer)
Ann Carver's Profession
(Writer)
The Big Timer
(Story)
You Can't Run Away from It
(Screenplay)
Magic Town
(Producer)
Shopworn
(Dialogue)
Here Comes the Groom
(treatment)
Here Comes the Groom
(Story)
The Night Club Lady
(Writer)
The Miracle Woman
(Theatre Play)
Meet John Doe
(Producer)
American Madness
(Story)
American Madness
(Dialogue)
Carnival
(Writer)
Pocketful of Miracles
(Original Film Writer)
The Cowboy and the Lady
(Additional Writing)
The Cummington Story
(Producer)
The Big Timer
(Dialogue)
They Shall Have Music
(Associate Producer)
Illicit
(Theatre Play)
The Miracle Woman
(Screenplay)
Library of Congress
(Producer)
Many a Slip
(Writer)