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Deaths on February 26

Tjalling Koopmans
1985Feb, 26

Tjalling Koopmans

Tjalling Koopmans, Dutch-American economist and mathematician, Nobel Prize laureate (b. 1910)
Tjalling Charles Koopmans (August 28, 1910 – February 26, 1985) was a Dutch-American mathematician and economist. He was the joint winner with Leonid Kantorovich of the 1975 Nobel Memorial Prize in Economic Sciences for his work on the theory of the optimum allocation of resources. Koopmans showed that on the basis of certain efficiency criteria, it is possible to make important deductions concerning optimum price systems.

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Events on 1985

  • 10Jan

    Daniel Ortega

    Sandinista Daniel Ortega becomes president of Nicaragua and vows to continue the transformation to socialism and alliance with the Soviet Union and Cuba; American policy continues to support the Contras in their revolt against the Nicaraguan government.
  • 13May

    Philadelphia

    Police release a bomb on MOVE headquarters in Philadelphia to end a stand-off, killing six adults and five children, and destroying the homes of 250 city residents.
  • 25May

    Tropical cyclone

    Bangladesh is hit by a tropical cyclone and storm surge, which kills approximately 10,000 people.
  • 6Jun

    Auschwitz concentration camp

    The grave of "Wolfgang Gerhard" is opened in Embu, Brazil; the exhumed remains are later proven to be those of Josef Mengele, Auschwitz's "Angel of Death"; Mengele is thought to have drowned while swimming in February 1979.
  • 13Sep

    Super Mario

    Super Mario Bros. is released in Japan for the NES, which starts the Super Mario series of platforming games.