The crossword solutions for the term PLAYWRITE MOSS are HART, which stands for Herman Arthur Russell. He was an American playwright, director, and producer who wrote over 50 plays and was a two-time Pulitzer Prize winner. He is best known for his plays Our Town and The Skin of Our Teeth. He was also a member of the Algonquin Round Table, a group of writers, actors, and critics who met for lunch every day at the Algonquin Hotel in New York City.