UNL History professor, David Cahan holds a copy of the biography he authored, "Helmholtz: A Life in
© 2019, The Board of Regents of the University of Nebraska. All rights reserved.

Image Name:

190109_Cahan_5531
To order this photo, send Jordan Opp an email and specify the name "190109_Cahan_5531".
January 9, 2019
UNL History professor, David Cahan holds a copy of the biography he authored, "Helmholtz: A Life in Science.", January 9 2019. Photo by Gregory Nathan/University Communication.