Hourglass chart of John L. Simak

Layout
19472012
Birth: September 21, 1947 43 39 Hennepin, Minnesota, United States
Death: January 24, 2012Abingdon, Harford, Maryland, United States
Private
19041988
Birth: August 3, 1904 25 Wisconsin, United States
Death: April 25, 1988Riverside Medical Center, Minneapolis, Hennepin, Minnesota, United States
18791964
Birth: estimated 1879
Death: July 28, 1964Lancaster, South Lancaster Township, Grant, Wisconsin, United States