He scared millions of us by cloning dinosaurs with prehistoric DNA in Jurassic Park and by unleashing a virus from outer space in The Andromeda Strain.
But author Michael Crichton, who died Tuesday at age 66, was more than just the king of the cinematic techno-thriller whose books and screenplays became 13 movies.
He also created ER, one of TV's longest-running dramas. As a movie producer and director, he pioneered the use of computer-generated special effects.
In best-selling novels, he raised contrarian questions about global warming and sexual harassment.
And all that after graduating from Harvard Medical School.