Visual psychophysicist and Head of the Smith-Kettlewell Brain Imaging Center; invented the autostereogram, also known as 'Magic Eye' 3D pictures in 1979
Lyon Gardiner Tyler (1853-1935) He was the youngest son of President John Tyler. Lyon was an American Educator and genealogist. He served as 17th President of The College of William & Mary from 1888 to 1919