| 1. |  | Oral history interview with Charles Ehresman, 2008 Jan. 15 | Ehresman, Charles--Interviews;Purdue University--Faculty; Engineers; | Charles Ehresman is a Purdue alumnus, receiving a Bachelors degree in 1949 and a Masters degree 1951. Ehresman recounts his affiliation in the School of Mechanical Engineering Jet Propulsion Center and... |
| 2. |  | Oral history interview with Charles Ehresman, 2008 May 7 | Ehresman, Charles--Interviews;Purdue University--Faculty; Engineers | Charles Ehresman is a Purdue alumnus, receiving a Bachelors degree in 1949 and a Masters degree 1951. Ehresman recounts his affiliation in the School of Mechanical Engineering Jet Propulsion Center and... |
