Editing Heinz Hopf (section)

==Honors and awards==
He received honorary doctorates from [[Princeton University]], the [[University of Freiburg]], the [[University of Manchester]], the [[University of Paris]], the [[Free University of Brussels (1834–1969)|Free University of Brussels]], and the [[University of Lausanne]]. In 1949 he was elected a corresponding member of the [[Heidelberg Academy of Sciences]]. He was elected to the United States National Academy of Sciences in 1957, the [[American Academy of Arts and Sciences]] in 1961,<ref>{{Cite web |title=Heinz Hopf |url=https://www.amacad.org/person/heinz-hopf |access-date=14 November 2022 |website=American Academy of Arts & Sciences |language=en}}</ref> and the [[American Philosophical Society]] in 1963.<ref>{{Cite web |title=APS Member History |url=https://search.amphilsoc.org/memhist/search?creator=Heinz+Hopf&title=&subject=&subdiv=&mem=&year=&year-max=&dead=&keyword=&smode=advanced |access-date=14 November 2022 |website=search.amphilsoc.org}}</ref> He was an Invited Speaker at the [[International Congress of Mathematicians]] (ICM) in [[Zürich]] in 1932 and a Plenary Speaker at the ICM in [[Cambridge, Massachusetts]] in 1950.<ref>{{cite book|author=Hopf, H.|chapter=Die ''n''-dimensionalen Sphären und projektiven Räume in der Topologie|title=''In:'' Proceedings of the International Congress of Mathematicians, Cambridge, Massachusetts, U.S.A., August 30 – September 6, 1950|volume=1|pages=193–202|year=1950|chapter-url=http://www.mathunion.org/ICM/ICM1950.1/Main/icm1950.1.0193.0202.ocr.pdf|access-date=5 December 2017|archive-date=28 December 2013|archive-url=https://web.archive.org/web/20131228051341/http://www.mathunion.org/ICM/ICM1950.1/Main/icm1950.1.0193.0202.ocr.pdf|url-status=dead}}</ref>

In memory of Hopf, [[ETH Zürich]] awards the [[Heinz Hopf Prize]] for outstanding scientific work in the field of [[pure mathematics]].