Deaths on April 22

Paul Hugh Emmett

Died on April 22, 1985

Paul Hugh Emmett, American chemist and academic (b. 1900)

Paul Hugh Emmett (September 22, 1900 – April 22, 1985) was an American chemist best known for his pioneering work in the field of catalysis and for his work on the Manhattan Project during World War II. He spearheaded the research to separate isotopes of uranium and to develop a corrosive uranium gas. Emmett also made significant contributions to BET Theory which explains the relationship between surface area and gas adsorption. He served on the faculty of Johns Hopkins University for 23 years throughout his scientific career.

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Paul Hugh Emmett

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Events on 1985

10 Jan

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.
13 May

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.
25 May

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

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.
13 Sep

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

Deaths on April 22

Paul Hugh Emmett

Died on April 22, 1985

References

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Events on 1985

Daniel Ortega

Philadelphia

Tropical cyclone

Auschwitz concentration camp

Super Mario