Editing 1930 (section)

===September– October===
[[File:Ruth Blaney Alexander (4727886076).jpg|thumb|100px|[[Ruth Alexander]]]]
[[File:Alfred Wegener ca.1924-30.jpg|thumb|100px|[[Alfred Wegener]]]]
* [[September 1]] – [[Peeter Põld]], Estonian pedagogical scientist, politician (b. [[1878]])<ref>{{cite book|author=Estonian International Commission for the Investigation of Crimes Against Humanity|title=Estonia, 1940-1945: Reports of the Estonian International Commission for the Investigation of Crimes Against Humanity|url=https://books.google.com/books?id=n6o-AQAAIAAJ|year=2006|publisher=Estonian Foundation for the Investigation of Crimes Against Humanity|isbn=978-9949-13-040-5}}</ref>
* [[September 10]] – [[Aubrey Faulkner]], South African cricketer (b. [[1881]])<ref>{{cite book|title=Who was who: A Companion to Who's who : Containing the Biographies of Those who Died During the Period|url=https://books.google.com/books?id=opcYAAAAIAAJ|year=1967|publisher=A. & C. Black|page=434}}</ref>
* [[September 18]] – [[Ruth Alexander]], pioneering American pilot (b. [[1905]])<ref>{{cite book|author=Hannah S. Cohen and Gloria G. Harris|title=Remarkable Women of San Diego: Pioneers, Visionaries and Innovators|url=https://books.google.com/books?id=g4AWDQAAQBAJ&pg=PA58|year=2016|publisher=Arcadia Publishing|isbn=978-1-4671-1826-2|pages=58}}</ref>
* [[September 20]] – [[Gombojab Tsybikov]], Russian explorer (b. [[1873]])
* [[September 28]]
** [[Daniel Guggenheim]], American mining magnate and philanthropist (b. [[1856]])<ref>{{cite news |title=Daniel Guggenheim Dies Suddenly at 74 of Heart Disease|url=https://www.nytimes.com/1930/09/29/archives/daniel-guggenheim-dies-suddenly-at-74-of-heart-disease.html |work=[[The New York Times]] |date=September 29, 1930 |accessdate=2008-07-30 }}</ref>
** [[Prince Leopold of Bavaria]], German prince and field marshal (b. [[1846]])
* [[October 4]] – [[Olena Pchilka]], Ukrainian writer, translator and publisher (b. [[1849]])<ref name="Prokhorov1982">{{cite book|author=Aleksandr Mikhaĭlovich Prokhorov|title=Great Soviet encyclopedia|url=https://books.google.com/books?id=6FkNAQAAMAAJ|year=1982|publisher=Macmillan|page=185}}</ref>
* [[October 10]] – [[Adolf Engler]], German botanist (b. [[1844]])<ref>{{cite book|author1=Emily J. McMurray|author2=Jane Kelly Kosek|author3=Roger M. Valade|title=Notable Twentieth-century Scientists: A-E|url=https://books.google.com/books?id=T6gRAQAAMAAJ|year=1995|publisher=Gale Research|isbn=978-0-8103-9182-6|page=591}}</ref>
* [[October 15]] – [[Herbert Henry Dow]], Canadian-born chemical industrialist (b. [[1866]])<ref>{{cite book|editor=Benjamin F. Shearer|title=Home Front Heroes [Three Volumes]|url=https://books.google.com/books?id=IzBxCP9QUo0C&pg=PA241|date=September 2006|publisher=Greenwood Publishing Group|isbn=978-0-313-04705-3|pages=241}}</ref>
* [[October 16]] – [[James Surtees Phillpotts]], English writer and educator (b. [[1839]])<ref>{{cite book|title=The Illustrated London News|url=https://books.google.com/books?id=MDBGVPKDnTAC|date=October 1930|publisher=International News Company|page=722}}</ref>
* [[October 20]] – [[Valeriano Weyler, 1st Duke of Rubí]], Spanish general (b. [[1838]])<ref>{{cite web|url=https://loc.gov/rr/hispanic/1898/weyler.html|title=General Valeriano Weyler|website=Library of Congress|language=en|access-date=15 April 2021}}</ref>
* [[October 26]] – [[Harry Payne Whitney]], American horse breeder and businessman (b. [[1872]])<ref>{{cite book|author=United States. Court of Claims|title=Cases Decided in the United States Court of Claims|url=https://books.google.com/books?id=JevzAAAAMAAJ&pg=PA605|year=1937|publisher=U.S. Government Printing Office|pages=605–}}</ref>
* [[October 27]] – [[Ellen Hayes]], American mathematician and astronomer (b. [[1851]])<ref>{{cite book|author=Society of Descendants of Henry Wolcott|title=Report of Proceedings of the ... Annual Reunion of the Society of Descendants of Henry Wolcott|url=https://books.google.com/books?id=6dpfAAAAMAAJ|year=1917|publisher=The Society|page=21}}</ref>
* [[October 28]] – [[Mary Harrison McKee]], ''de facto'' [[First Lady of the United States]] (b. [[1858]])<ref>{{cite book|author=Massachusetts Society of the Colonial Dames of America|title=Reports of Officers and Standing Committees|url=https://books.google.com/books?id=WDURAQAAMAAJ|year=1924|publisher=Geo. H. Ellis|page=16}}</ref>
* [[October 30]] – [[Sakichi Toyoda]], Japanese inventor, industrialist (b. [[1867]])<ref>{{cite book|author=Rosalie Lam Tung|title=The IEBM Handbook of International Business|url=https://books.google.com/books?id=wWmyAAAAIAAJ|year=1999|publisher=International Thomson Business Press|isbn=978-1-86152-216-0|page=842}}</ref>