Complex sentence: Angel Sanchez Gas (1933-2015) also known as Gelsen Gas, an alliterative pseudonym, was a theater director, film director, film producer, actor, painter, poet, sculptor and inventor, based in Mexico City, Mexico.
Split into simpler sentences: Angel Sanchez Gas (1933-2015) also known as Gelsen Gas, an alliterative pseudonym. He was an artist, theater director, film director, film producer, actor, painter, poet, sculptor and inventor, based in Mexico City, Mexico.