Ken Lettvin died on May 31, 2006.
Ken Lettvin was born in 1925.
Theodore Lettvin died in 2003.
Jerome Lettvin died on 2011-04-23.
Theodore Lettvin was born in 1926.
Jerome Lettvin was born on 1920-02-23.
Yes, she is.
She was born in 1927, so that would make her 87.
Ken Kinnersley died in 1984.
Ken Chisholm died in 1990.
Ken Brooke died in 1983.
Ken Rowley died in 1995.
Ken Rickards died in 1995.