Are León Klimovsky and Roger Avary both screenwriters?
León Klimovsky León Klimovsky (16 October 1906–8 April 1996) was an Argentine film director, screenwriter and film producer.
Alan Klingenstein Alan Klingenstein (born 1954) is a corporate and securities attorney, an investment banker, a film distributor, and an award-winning film producer. His feature film "Two Family House" won the Audience Award at the 2000 Sundance Film Festival. Another feature film, "Runaway", premiered at the Tribeca Film Festival, the Toronto International Film Festival, and won Best Dramatic Feature at the 2005 Austin Film Festival. His documentary "Trumbo" was awarded the National Board of Review's Freedom of Expression Award in 2008. Klingenstein is currently the Chairman of FilmRise, a film and television distribution company.