Johann Heinrich Graf

| birth_place = Töss (Winterthur), Switzerland | death_date = | death_place = Bern, Switzerland | resting_place = | resting_place_coordinates = | residence = | citizenship = | nationality = | spouse = Anna Luisa Däniker (1874- )
Maria Magdalena Balli (1898- )

| field = Mathematics | work_institutions = University of Bern | alma_mater = ETH Zurich
University of Bern | thesis_title = Beiträge zur Theorie der Riemann'schen Fläche | thesis_url = https://www.emis.de/cgi-bin/jfmolos?12.0408.01 | thesis_year = 1878 | doctoral_advisor = Ludwig Schläfli | notable_students = | doctoral_students = | known_for = | influences = | influenced = | prizes = | religion = | signature = | foot_notes = }}

Johann Heinrich Graf (16 August 1852 – 17 June 1918) was a Swiss mathematician who was rector of the University of Bern and promoter of the Swiss National Library. Provided by Wikipedia