Results for "History"
Ernest Pillsbury Walker
- Date: Unknown, perhaps c. 1940
- Creator: Unknown
- Creator: Unknown
Ernest Pillsbury Walker
- Creator: Unknown
- Creator: Unknown
- Web Page
Florence E. Meier Chase
- Date: c. 1935
- Creator: Unknown
- Creator: Unknown
Thomas Lovejoy
- Date: January 1993
- Creator: Unknown
- Creator: Unknown
Betsy Heck Demonstrating Physignotrace
- Date: c. 1986
- Creator: Unknown
- Creator: Unknown
Jean M. Salan
- Date: 1978
- Creator: Unknown
- Creator: Unknown
Melvin B. Zisfein
- Date: c. 1977
- Creator: Unknown
- Creator: Unknown
Zora Martin Felton at work
- Date: 1983
- Creator: Unknown
- Creator: Unknown
Paul N. Perrot
- Date: c. 1975
- Creator: Unknown
- Creator: Unknown
Thomas M. Beggs
- Creator: Unknown
- Creator: Unknown
Francisco Vitola on Barro Colorado Island
- Date: circa1960s
- Creator: Unknown
- Creator: Unknown
Carl Koford on Barro Colorado Island
- Date: 1957
- Creator: Unknown
- Creator: Unknown
