Author of often fantastical novels of mystery and science fiction,
Goulart was the only writer to win a Mystery Writers of America Award
for a science fiction novel (After Things Fell Apart, 1970).
Also wrote as Kenneth Robeson, Frank S Shawn, Joseph Silva and Con Steffanson.
He was a great lover of comic books.
After graduation he worked in an advertising agency.
Author of more than 180 books, including more than 50 science fiction novels and 20 mystery novels.