found: The problematic science : psychology in nineteenth-century thought, 1982:CIP title page (Mitchell Ash) book title page (Mitchell G. Ash [co-editor])
found: Zersetzung der Seele : Psychologie und Psychiatrie im Dienste der Stasi, 1995:title page (Mitchell G. Ash [contributor]) page 343 (born 1948 in New York)
found: Gestalt psychology in German culture, 1890-1967, 1995:title page (Mitchell G. Ash)
found: German Wikipedia, viewed February 12, 2019(Mitchell Ash; Mitchell G. Ash; born September 26, 1948, in New York City; American historian; professor emeritus at the Universität Wien; studied at Harvard and at the Freie Universität Berlin; Ph. D. from Harvard in 1982)
found: Berlin-Brandenburgische Akademie der Wissenschaften website, viewed February 12, 2019(Prof. em. Dr. Mitchell Ash; professor emeritus of modern history at the University of Vienna; born 1948) - http://www.bbaw.de/die-akademie/mitglieder/28