Complex sentence: Tom Reamy died at age 42 of a heart attack at his home in Independence, MO on October 4,1977 while working at his typewriter on a new story for editor Ed Ferman at "The Magazine of Fantasy & Science Fiction".
Split into simpler sentences: Tom Reamy died on October 4,1977 at age 42 from a heart attack while at his home in Independence, MO. He was working at his typewriter on a new story for editor Ed Ferman at "The Magazine of Fantasy & Science Fiction".