No. 4: Kenneth Ferrell
IQ: 190
Nationality: American
Profession: physician
Notable achievements: member of various highly rated IQ societies. Has created several of his own IQ tests.
Public Domain Image: Public Domain
IQ: 190
Nationality: American
Profession: physician
Notable achievements: member of various highly rated IQ societies. Has created several of his own IQ tests.
Public Domain Image: Public Domain