Leo Seltzer was an American social-documentary filmmaker whose career spanned over
half a century, having made more than sixty films. One of the
founders of the Workers' Film & Photo League

Workers Film and Photo League

The Workers Film and Photo League was an organization of filmmakers in the United States initially affiliated with the Workers International Relief...

, Seltzer received many international
awards for his work, including an Academy Award for Best Documentary. In 1962
he served as cinema-biographer to the White House for President John Kennedy.