
How I Learned to Love the Numbers
2014
as Self
Directing
Holger Bernhard Bruno Mischwitzky (born Holger Radtke; 25 November 1942 – 17 December 2025), known professionally as Rosa von Praunheim, was a German film director, author, producer, professor of directing and one of the most influential and famous queer activists in the German-speaking world. A pioneer of Queer Cinema and gay activist, von Praunheim was a key co-founder of the modern lesbian and gay movement in West Germany and Switzerland. He was an early advocate of AIDS awareness and safer sex. Furthermore, he was one of the most important representatives of the New German Cinema. His films centre on queer-related themes and strong female characters, are characterized by excess and employ a campy style. They have featured such personalities as Keith Haring, Larry Kramer, Diamanda Galás, William S. Burroughs, Allen Ginsberg, Judith Malina, Jeff Stryker, Jayne County, Divine, Charlotte von Mahlsdorf, and a row of Warhol superstars. In over 50 years, von Praunheim made more than 150 films (short and feature-length films). The Museum of Modern Art's website says of his film It Is Not the Homosexual Who Is Perverse, But the Society in Which He Lives: "Rosa von Praunheim's radical treatise on gay culture and politics exploded post-Stonewall activism in the early 1970s, and has internationally redefined queer liberation ever since."

2014
as Self

2009
Director

2024
as Self

1989
Director

2017
Director

2020
Director

2017

2015
Writer

2005
Producer

2011
as Self

1990
Writer
1969
Director

2013
as Rosa von Praunheim

2011
Writer

2000
Director

2019
Producer

2012
as Self

1971
Director

2022

1979
Writer

1984

1968
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1983
Director

2010
Director
1969
Director

2000
Director

1971
Writer

1990
Director

2007
as Self

2010
Director

1988
Writer

2008
Screenplay

1995
Writer

2015

1975
as Matrose

2012
Director

2018
Writer

1984
Writer

2022
Writer

1996
Director
2005
Director

1992
Producer

1975
Writer

1986
Director

2008
Director

1990
Director

1979
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2002
Screenplay

2017
Director

1996
2009
Director

1998
Director

1968
2020

2014
Director
1977
Director
2003
Director
2015
as Man in Berlin

1987
Producer

2021
as Himself
1972
Director

2012
Director
2004
as Self

2025
as Himself (archive footage)
1972
2021
as Self

2025
as Self

1976
Director

2007
Writer

1986
as (archive footage)

2021
as Self
2002
Director

2015
Director

1990
Director

2009

1967
as Self
2005
Director
2005
Writer
2007
Screenplay
1991
Producer

2014
Director
1991
Director

1981
Director

2014
Director

2014
Director
2021
Producer
1990
Director

1969
Director
1971
Director
1974
Director

1976
Director
1977
Director
1972
Director
2000
Director
2008
Director
2007
Director
2003
Director
1968
Director
1972
Director
TBA
Director

2024
Director

2025
Writer
1974
Writer

1983
Writer

2002
Screenplay

2005
Writer

1976
Director
1979
Director

1979
Producer
1971
Writer
2005
Director
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