yang.yang's profile

Joined about over 4 years ago.

yang.yang's timelines

Ernst Mach, Born: February 18, 1838, Born, Czechia Died: February 19, 1916, Munich, Germany, 78 y...
Ernst Mach, Born: February 18, 1838, Born, Czechia Died: February 19, 1916, Munich, Germany, 78 years old timeline
Thomas Khun Birth: July 18, 1922 Death: June 17, 1996 Age 44
Thomas Khun Birth: July 18, 1922 Death: June 17, 1996 Age 44 timeline