2003
Hal Clement, American pilot, author, and educator (born 1922)
Hal Clement, American pilot, author, and educator (born 1922)
Hal Clement, American pilot, author, and educator (born 1922)
American author and artist (1922–2003)
Hal Clement, American pilot, author, and educator (born 1922)
Hal Clement, American pilot, author, and educator (born 1922)
Hal Clement, American author and educator (died 2003)
Hal Clement, American author and educator (died 2003)