He was Professor of history at the University of California, Berkeley, and received several prizes and honors, including the Order of Merit of the Federal Republic of Germany.
[3][4] In 1977 he published Iron and Steel in the German Inflation, 1916–23 which focused on the history of Germany's heavy industry in the Weimar Republic.
"[4] In his last years he focused on business history by reappraising the role of German corporations during the National Socialist regime.
[3] He additionally served as an advisor to the Presidential Commission on Holocaust Assets in the United States and to researchers who later published on topics related to German banking and forced labor in the mining industry.
[3] Feldman was married twice, to Philippa Blume, from whom he was divorced in 1982, and Norma von Ragenfeld-Feldman, who was living at the time of his death.