Ángel Cappelletti (1927–1995) was a philosopher and university professor.
 He was born in Rosario.
 He studied philosophy at the Universidad Nacional de Buenos Aires where he also got his PhD degree in 1954.
 He moved to Venezuela in 1968 and began teaching at the Simon Bolivar University until his retirement in 1994, when he returned to Rosario.
 During his career he translated works from Greek and Latin and composed numerous works on Ancient philosophy as well as on the subjects os Positivism and Anarchism in Latin America.
Eugenio Garin (May 9, 1909 – December 29, 2004) was an Italian philosopher and Renaissance historian.
 He was recognised as an authority on the cultural history of the Renaissance.
 Born at Rieti, Garin studied philosophy at the University of Florence, graduating in 1929, and after a period as professor of philosophy at the "licei scientifici di Palermo" and the University of Cagliari, Garin began teaching at his alma mater in 1949 until 1974, then moving to the Scuola Normale di Pisa until his retirement in 1984.
 He also was the editor of the journals "Rinascimento" and "Il Giornale Critico della Filosofia Italiana".
Benson Mates (May 19, 1919, Portland, Oregon – May 14, 2009, Berkeley, California) was an American philosopher, noted for his work in logic, the history of philosophy, and skepticism.
 Mates studied philosophy and mathematics at the University of Oregon, Cornell University, and the University of California at Berkeley.
 Some of his teachers included J. Barkley Rosser, Harold Cherniss, and Alfred Tarski.
 From 1948 until his retirement in 1989, he was a professor of philosophy at Berkeley.
 He remained Professor Emeritus of philosophy at University of California at Berkeley until his death.
Murata Kentarō (村田 謙太郎 , December 19, 1863 – June 27, 1892) was a Japanese dermatologist born in Iwaki, Fukushima.
 At 12, he went to Tokyo and studied philosophy until 1877.
 He entered the Tokyo University of Foreign Studies in 1874, where he studied German.
 He completed his medical training at Tokyo University in 1884 and in 1888 he went to Berlin on an exchange.
 Although he left due to illness, in Germany he studied under many prominent dermatologists, including: Georg Richard Lewin, Gustav Behrend, and Oskar Lassar at the University of Berlin; Mortiz Kaposi and Isidor Neumann at the University of Vienna in Austria.
 He also studied hygiene and pathology under Robert Koch, who became head of the University of Berlin in 1885.
Dario Cabanelas Rodríguez, born in Trasalba, Ourense, Spain, December 20, 1916, and died there, September 18, 1992, may be considered one of the most important Spanish Arabists of the 20th century.
 After studying baccalaureate, philosophy and theology in Santiago de Compostela, he was ordained as a priest into the Franciscan Religious Order in June 23, 1940.
 Since 1942, he studied philosophy and humanities, Section of Semitic Philology, at Central University, called today Complutense University, in Madrid, with Extraordinary Degree Award, and he got the doctorate in June 15, 1948, about the topic "Juan de Segovia y el problema islámico", with a Special Award Doctorate.
 He was a holder of a scholarship and a collaborator at Miguel Asin Palacios Institute of Spanish National Research Council.
 He taught Arabic language and literature at the Complutense University of Madrid and from 1955 was Professor at the University of Granada.
 He was a disciple of Emilio Garcia Gomez, he trained a lot of professionals during four generations for more than forty years.
 His scientific contributions are very extensive: he wrote over 100 works, among books, articles, bibliographical reviews and reports, as well as being director of 18 doctorates, 26 master dissertations, etcetera, and lectured on the Arab and Islamic world in Spain and abroad.
 He specialized mainly in Arabic linguistics, literature and philosophy, and among his most outstanding works are his writings on Ibn Sida and Alonso del Castillo.
 Furthermore, he occupied high academic places and dignities, such as Dean of the Faculty of Philosophy and Humanities in Granada (1965-1968), Director of Department of Arabic in Granada (1972-1987), Director of the School of Arabic Studies of Spanish National Research Council in Granada (1972-1984), Membership of Royal Academy of Fine Arts in Granada (1977-1992), President of Alhambra and Generalife Council's Publications Commission (1978-1985), Membership "al honorem" of Institute for Cooperation with the Arab World of the Foreign Office in Spain (1979-1992) and others.
 Retired in 1985, he was named in 1987 Professor Emeritus of the University of Granada.
Loewald's father, who died shortly after his birth, was a Jewish physician with an interest in dermatology and psychiatry; his mother a gifted musician, who played the piano.
 Loewald did medical training in Germany - where he also studied philosophy with Martin Heidegger, who would influence him with his theory of language - before taking a medical degree from Rome University in 1935.
 He practised psychiatry in Italy until 1939, before moving with his family to the United States.
 There he became fascinated by Freud’s theory, in which he rooted all the features of his own thinking.
 He did not want to create a new psychoanalytic terminology, but, although he used Freud’s terms, he gave them radically new meanings.
Ioan Biris is a University Professor at the West University of Timișoara, Department of Philosophy and Communication Sciences, Romania.
 He studied philosophy (B. Sc., 1976) at the Babes-Bolyai University from Cluj-Napoca.
 Secondary studies in sociology.
 Ph D in Philosophy (1989) and Ph D in Sociology (2000).
Martin Heidegger ( ; ] ; 26 September 188926 May 1976) was a German philosopher and a seminal thinker in the Continental tradition and philosophical hermeneutics.
 According to the "Internet Encyclopedia of Philosophy", he is "widely acknowledged to be one of the most original and important philosophers of the 20th century".
 Heidegger is best known for his contributions to phenomenology and existentialism, though as the "Stanford Encyclopedia of Philosophy" cautions, "his thinking should be identified as part of such philosophical movements only with extreme care and qualification".
Ioannis Kottounios, (Greek: Ἰωάννης Κωττούνιος , ; c. 1577 – 1658) was an eminent ethnic Greek scholar who studied Philosophy, Theology and Medicine, taught Greek from 1617 and Philosophy from 1630 in Bologna, Italy becoming professor of philosophy in 1632 he also founded a college for unwealthy Greeks at Padua in 1653.
Hans Zollner is a German theologian and psychologist.
 He has been a member of the Jesuits since 1990.
 He studied philosophy and theology in Regensburg and Innsbruck.
 Since 2003, he has taught at the Institute of Psychology at the Pontifical Gregorian University in Rome.
 Zollner has been the academic Vice Rector of the Gregorian since 2010.

Question: What was the nationality of the man with whom Hans Loewald studied philosophy? 
Answer: German