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Masanori Hata

はた まさのり

Hata Masanori

Aliases: ムツゴロウ
Pen Names: Mutsugorou（Nickname/pen name used in television appearances and publications）

Profile

Gender
Male
Born
1935-04-17 （Fukuoka City, Fukuoka Prefecture, Japan）
Died
2023-04-05 （Nakashibetsu (Nakashibetsu Town), Hokkaido, Japan） age 87
Nationality
Japan
Languages
Japanese
Residence History
Fukuoka City (birthplace) → Manchuria (grew up in a settler village) → Tokyo (studied at University of Tokyo; worked at Gakken) → Hokkaido (Mutsugorou Animal Kingdom; long-term residence)

Career

Occupations
Writer, Essayist, Naturalist, Animal researcher, Professional mahjong player, TV personality, Film director
Active Years
1967-2023
Affiliations
Japan Professional Mahjong League (senior advisor; honored with 'Tandan' title), Gakken (former employee, film/educational media division)
Influenced By
Morio Kita (Hokuto O), Toshitaka Hidaka
Influenced
Writers and TV personalities influenced by Mutsugorou (naturalist/animal-themed media), Punk Machida (named as a possible successor to the 'Mutsugorou' persona)

Education

University of Tokyo, Faculty of Science (Department of Zoology) / Graduate School (Master's course, attended)
Faculty of Science / Department of Zoology
Country: Japan
Entered graduate master's program after undergraduate studies. Sources indicate ambiguity whether degree was formally completed.

Awards

Japan Essayist Club Prize
1968
Work: We Are All Animal Brothers
Organization: Japan Essayist Club
Result: 受賞
Kikuchi Kan Prize
1977
Organization: Kikuchi Kan Prize Committee
Result: 受賞
Zoology Education Award
2011
Organization: Zoological Society of Japan
Result: 受賞

Awards & Nominations

Works

Major Works

We Are All Animal Brothers

1967 Essay / Non-fiction

A collection of essays based on animal observations and care experiences. It explores human–animal relationships with humor and insight and served as his debut work.

NatureCoexistence with animalsPhilosophy of life

Zero Monster: Nul

1969 Science fiction (juvenile)

A juvenile science-fiction novel intended to spark children's interest in nature and life through storytelling.

ScienceAdventureConnection with nature

Mutsugorou's Natural Histories

1970 Essays / Documentary

A volume compiling observations and episodes about animals and nature; it helped form the basis for his television presence and the founding of his animal kingdom.

ConservationEcologyHuman–animal interaction

Animals Designated as Natural Monuments (series)

1969 Reportage / Non-fiction

A series investigating the conservation status of animals designated as natural monuments, notable for incisive, field-based reportage.

ProtectionRare speciesFieldwork

Bibliography

  • We Are All Animal Brothers (1967)
  • Zero Monster: Nul (1969)
  • Mutsugorou's Natural Histories (1970)
  • Mutsugorou and His Merry Companions (TV tie-in series, 1980s)
  • Mutsugorou's Tokyo Story (2008)

Adaptations

  • The Tale of a Kitten (1986 film; directed and written by Masanori Hata)
  • Mutsugorou's Marriage Account (1974 film adaptation)

Translations by Author

  • Dr. Herriot's Dog Stories (translation)
  • Precious Days (translation of Danielle Steel)

Style & Themes

Literary Style
Detailed, observation-based descriptionConversational tone with humorDocumentary-style reportage
Recurring Motifs
Human–animal coexistenceBiodiversityA candid look at life and death

Health

  • Stomach cancer (past)
    39歳頃（当時手術・全摘出）
    Underwent total gastrectomy. The experience affected his life outlook and is cited in interviews.
  • Myocardial infarction (heart attack)
    2017年（発症・入院）、以降入退院と自宅療養
    Hospitalized and operated in 2017, followed by periods of recuperation. Suffered fatal cardiac event in 2023.

Legacy

Masanori Hata (Mutsugorou) was widely beloved for demonstrating human–animal relationships in person and via television (notably 'Mutsugorou and His Merry Companions' and the Mutsugorou Animal Kingdom). He left an enduring legacy as a non-fiction writer and naturalist who advocated for conservation and rare species.

Academic Societies

  • Zoological Society of Japan

In Popular Culture

  • Beloved TV persona from 'Mutsugorou and His Merry Companions' and many variety show appearances.
  • Also a legendary figure in professional mahjong; associated with the creation of the 'Tandan' title and numerous stories of prowess.

Quotes

  • I am extremely opposed to drugs and have warned those around me not to touch them. Probably a freelance writer wrote it and added what I hate most to smirk behind the scenes. It was a malicious personal profile.
    Source: Masanori Hata, 'Mutsugorou's Tokyo Story' (2008) — originally published as an article in Sankei Shimbun (2008)
  • I call excessive regulation and such trends the corrosion of democracy; it seems that this tendency has spread beyond politics to society as a whole.
    Source: Interview remark (summary)

Trivia

  • Nickname: 'Mutsugorou'.
  • Associated with the creation of the 'Tandan' mahjong title and reputed mahjong feats.
  • Underwent total gastrectomy (stomach removal) in his 30s due to cancer.
  • Opened 'Tokyo Mutsugorou Animal Kingdom' in 2004 at Tokyo Summerland; it closed in 2007 and he repaid personal debts through writing and lectures.
  • In later years he posted videos about life in Hokkaido on his YouTube channel 'Mutsugorou no 656'.