Hans Bethe: Great Scientist and Mensch
Hans Bethe Image by Courtesy of Cornell University
By Benjamin Ivry August 8, 2012
Must a great scientist also be a mensch?
The historian of science, Silvan Schweber, who teaches at Harvard and Brandeis, has offered some ideal examples in such previous books as “Einstein and Oppenheimer: The Meaning of Genius” from Harvard University Press and “In the Shadow of the Bomb: Oppenheimer, Bethe, and the Moral Responsibility of the Scientist” from Princeton University Press. Schweber’s “Nuclear Forces: The Making of the Physicist Hans Bethe” was published by Harvard University Press, praising a physicist for whom, according to Schweber, “Judaism certainly played a role in his moral development.”
Reflecting on the prewar years of Fascism in his native Germany, Bethe, who died in 2005 at age 98, told Schweber: “I am grateful to my Jewish mother that her ancestry made it perfectly clear to me that I should emigrate.” In 1933, Bethe fled his homeland after being fired from his university job when anti-Semitic laws were passed. Bethe would develop into a great physicist, and eventually a Nobel-prizewinner, a mainstay of the faculty at Cornell University. In 1933, Bethe wrote to one of his professors, wisely postulating, ‘It is presumably not to be assumed that [German] anti-Semitism will become weakened in the foreseeable future, or that the definition of Aryan will change. For better or worse, I must draw the consequences and try to find a place somewhere in a foreign country.”
In 1947, when the same professor invited him to return to Germany and accept a professorship in Munich, Bethe replied, “For us who were expelled from our positions in Germany, it is not possible to forget. The students of 1933 did not want to hear theoretical physics from me (and it was a large group of students, perhaps even a majority), and even if the students of 1947 think differently, I cannot trust them.”
Trust was an essential element of Bethe’s lifelong friendships with Jewish physicists, including Hungary’s Edward Teller, German-born British émigré Rudolf Peierls, and the Galician-born American Isidor Isaac Rabi. In 1935 Bethe wrote to Rabi a letter of evaluation about an academically troubled 17-year-old New Yorker of Polish Jewish ancestry who would grow up to be the Nobel Prizewinning physicist Julian Schwinger, stating: “I feel quite convinced that Schwinger will develop into one of the world’s foremost theoretical physicist[s] if properly guided.”
Admirable as a scientist and a person, Bethe was such a guide for almost a century.
See Hans Bethe recalling his dismissal from a German university job by the Nazis in 1933 here
Watch Hans Bethe describing how he met the legendary physicist Richard Feynman at Los Alamos here
A message from our CEO & publisher Rachel Fishman Feddersen
I hope you appreciated this article. Before you move on, I wanted to ask you to support the Forward’s award-winning journalism during our High Holiday Monthly Donor Drive.
If you’ve turned to the Forward in the past 12 months to better understand the world around you, we hope you will support us with a gift now. Your support has a direct impact, giving us the resources we need to report from Israel and around the U.S., across college campuses, and wherever there is news of importance to American Jews.
Make a monthly or one-time gift and support Jewish journalism throughout 5785. The first six months of your monthly gift will be matched for twice the investment in independent Jewish journalism.
— Rachel Fishman Feddersen, Publisher and CEO
