Kdube78's profile

Joined about almost 4 years ago.

Kdube78's timelines

Ernst Mach February 18, 1838 to February 19, 1916
Ernst Mach February 18, 1838 to February 19, 1916 timeline
Ernest Nagel November 16, 1901 to Setptmber 20, 1985
Ernest Nagel November 16, 1901 to Setptmber 20, 1985 timeline