Frank Gari (born Frank Daniel Garofalo in New York City on April 1, 1944) is a singer, songwriter, and composer.
Heat and Sunlight is a 1987 independent film written, directed by and starring Rob Nilsson.
 It tells the story of a photojournalist who had worked in Biafra trying to patch up his relationship with his lover.
Taxandria (1994) is a partially animated fantasy film by Raoul Servais, collaborating on a script with Frank Daniel and French writer Alain Robbe-Grillet, and starring, among others, Armin Mueller-Stahl.
 Being Servais's first and to date only feature film, "Taxandria" is notable for the use of Servais's distinct animation style, the "servaisgraphie", as well as its connection to the Belgian graphic novel series "Les Cités Obscures" whose creator François Schuiten was the film's production designer.
Frank Daniel Mongiardo (born July 4, 1960) is an American physician and politician from Kentucky.
 Mongiardo is a Democrat and was the 54th Lieutenant Governor of Kentucky from 2007 until 2011.
 He was a member of the Kentucky State Senate from 2001 to 2007.
 He also ran for the U.S. Senate in 2004, narrowly losing in the general election to Jim Bunning and again in 2010, losing in the primary election to Jack Conway.
On the Edge is a 1986 American drama film directed by Rob Nilsson and written by Roy Kissin and Rob Nilsson.
 The film stars Bruce Dern, Pam Grier, Bill Bailey, Jim Haynie, John Marley and Marty Liquori.
 The film was released on May 2, 1986, by Skouras Pictures.
František "Frank" Daniel (April 14, 1926 – March 29, 1996) was a film director, producer and screenwriter born in Kolín, Czechoslovakia (the present day Czech Republic).
 He is known for developing the sequence paradigm of screenwriting.
Frank Daniel Gilroy (October 13, 1925 – September 12, 2015) was an American playwright, screenwriter, and film producer and director.
 He received the Tony Award for Best Play and the Pulitzer Prize for Drama for his play "The Subject Was Roses" in 1965.
Rob Nilsson is a filmmaker, poet, and painter, best known for his feature film "Northern Lights", co-directed with John Hanson and winner of the Camera d’Or at the Cannes Film Festival (1979).
 He also is known for directing and playing the lead role in "Heat and Sunlight", produced by Steve and Hildy Burns, also featuring Consuelo Faust, Don Bajema and Ernie Fosseliius.
 "Heat and Sunlight" won the Grand Jury Prize Dramatic at the Sundance Film Festival in 1988, and his 9 @ Night Film Cycle won the 2008 San Francisco Film Critics Circle Marlon Riggs Award for Courage and Vision in Cinema.
 Nilsson has also received Lifetime Achievement awards from the Fargo International Film Festival, the St. Louis International Film Festival, the Kansas City Filmmaker’s Jubilee, the Master's Award from the Golden Apricot Film Festival, a Filmmaker of the Year Award from the Silver Lake Film Festival, and the Milley Award from the city of Mill Valley for accomplishment in the Arts.
Frank Daniel Gerber (July 12, 1873 - October 7, 1952) was an American manufacturer of baby food.
Frank Daniel "Frankie" Hejduk (born August 5, 1974) is a retired American soccer player who last played for the Los Angeles Galaxy in Major League Soccer.
 He also played as right back for the Columbus Crew, where he was team captain, and the United States national team.
 Hejduk is serving as "Brand Ambassador" in the Crew front office.

Question: Frank Daniel and Rob Nilsson are both directors? 
Answer: yes