Osman Achmatowicz, Polish chemist and academic (d. 1988)
Osman Achmatowicz (April 16, 1899 – December 4, 1988) was a Polish professor of chemistry of Lipka Tatar descent. His son, Osman Achmatowicz Jr., (also a chemist) is credited with the Achmatowicz reaction in 1971.

1899Apr, 16
Osman Achmatowicz
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Events on 1899
- 2Feb
Canberra
The Australian Premiers' Conference held in Melbourne decides to locate Australia's capital city, Canberra, between Sydney and Melbourne. - 4Feb
Battle of Manila (1899)
The Philippine-American War begins with the Battle of Manila. - 6Feb
Treaty of Paris (1898)
Spanish-American War: The Treaty of Paris, a peace treaty between the United States and Spain, is ratified by the United States Senate. - 6Mar
Aspirin
Bayer registers "Aspirin" as a trademark. - 18Apr
Royal charter
The St. Andrew's Ambulance Association is granted a royal charter by Queen Victoria.