Ken Lettvin was born in 1925.
Ken Lettvin died on May 31, 2006.
Theodore Lettvin was born in 1926.
Jerome Lettvin was born on 1920-02-23.
Theodore Lettvin died in 2003.
Jerome Lettvin died on 2011-04-23.
She was born in 1927, so that would make her 87.
Yes, she is.
Ken Pound was born in 1944.
Ken Kiff was born in 1935.
Ken Staples was born in 1926.
Ken Hodgkisson was born in 1933.
Ken Hind was born in 1949.