Frederick Sauls, playwright and director, died of cancer June 24 at his Hollywood home.He was 59. As a writer, producer and director, Sauls had been active in the Equity waiver scene since the early ’70s and founded two small theaters, the Figtree and the Pilot, which were the basis of Santa Monica Boulevard’s Theater Row. The former actor, who was also an abstract painter and sculptor, recently opened the R. Mutt art gallery in Hollywood and worked as an art critic. Sauls is survived by son Fritz and daughter Karoline and a grandson. A memorial service is scheduled for 6 p.m. today at the Hudson Street Theater Building, 1110 N. Hudson, Hollywood.