What is Tadamori Ōshima?
{{Infobox officeholder | name = Tadamori Ōshima | native_name = {{nobold|大島 理森}} | native_name_lang = ja | image = Tadamori Ōshima 2018 (cropped).jpg | caption = | order = [[List of Speakers of the House of Representatives of Japan|Speaker of the House of Representatives of Japan]] | deputy ={{plainlist| *[[Tatsuo Kawabata]] *[[Hirotaka Akamatsu]]}} | term_start = 21 April 2015 | term_end = 1 November 2021 | monarch = [[Akihito]]<br>[[Naruhito]] | predecessor = [[Nobutaka Machimura]] | successor = [[Hiroyuki Hosoda]] | office1 = [[Ministry of Agriculture, Forestry and Fisheries (Japan)|Minister of Agriculture, Forestry and Fisheries]] | primeminister1 = [[Junichiro Koizumi]] | term_start1 = 30 September 2002 | term_end1 = 1 April 2003 | predecessor1 = [[Tsutomu Takebe]] | successor1 = [[Yoshiyuki Kamei]] | office2 = [[Ministry of Education, Culture, Sports, Science and Technology|Minister of Education]] and Director-General of the Science and Technology Agency | primeminister2 = [[Yoshirō Mori]] | term_start2 = 4 July 2000 | term_end2 = 5 December 2000 | predecessor2 = [[Hirofumi Nakasone]] | successor2 = [[Nobutaka Machimura]] | office3 = [[Ministry of the Environment (Japan)|Director-General of the Environmental Agency]] | primeminister3 = [[Tomiichi Murayama]] | term_start3 = 8 August 1995 | term_end3 = 11 January 1996 | predecessor3 = [[Sohei Miyashita]] | successor3 = [[Sukio Iwatare]] | office4 = [[Cabinet Secretariat (Japan)|Deputy Chief Cabinet Secretary]] | primeminister4 = [[Toshiki Kaifu]] | term_start4 = 2 February 1990 | term_end4 = 5 November 1991 | predecessor4 = [[Takao Fujimoto]] | successor4 = [[Motoji Kondo]] | birth_date = {{birth date and age|1946|9|6|df=y}} | birth_place = [[Hachinohe, Aomori]], Japan | death_date = | alma_mater = [[Keio University]] }} {{nihongo|'''Tadamori Ōshima'''|大島 理森|{{audio|help=no|En-us-Tadamori Oshima from Japan pronunciation (Vo