#2746 – 1993 29c Percy Lavon Julian

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U.S. #2746
1993 29¢ Percy Lavon Julian
Black Heritage
Issue Date: January 29, 1993
City: Chicago, IL
Quantity: 105,000,000
Printed By: Bureau of Engraving and Printing
Printing Method: Lithographed, engraved
Perforations: 11
Color: Multicolored
 
A research chemist known for his many contributions to science, Percy Lavon Julian (1899-1975) joined other noted black Americans as part of the Black Heritage Series.
 
Julian was one of the first African Americans to receive a doctorate in chemistry., and the first to be inducted into the National Academy of Sciences. A pioneer in chemical synthesis of drugs used in medicine, Julian developed synthetic physostigmine for glaucoma, cortisone for arthritis, and the female hormone progesterone.
 
He also owned more than 100 chemical patents, many for products made from soybeans, including a soya protein used in fire extinguishers during World War II, and still used in paper manufacturing today.
 
Of interest to stamp collectors, Julian’s father was a railroad postal clerk.
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U.S. #2746
1993 29¢ Percy Lavon Julian
Black Heritage

Issue Date: January 29, 1993
City: Chicago, IL
Quantity: 105,000,000
Printed By: Bureau of Engraving and Printing
Printing Method: Lithographed, engraved
Perforations: 11
Color: Multicolored
 
A research chemist known for his many contributions to science, Percy Lavon Julian (1899-1975) joined other noted black Americans as part of the Black Heritage Series.
 
Julian was one of the first African Americans to receive a doctorate in chemistry., and the first to be inducted into the National Academy of Sciences. A pioneer in chemical synthesis of drugs used in medicine, Julian developed synthetic physostigmine for glaucoma, cortisone for arthritis, and the female hormone progesterone.
 
He also owned more than 100 chemical patents, many for products made from soybeans, including a soya protein used in fire extinguishers during World War II, and still used in paper manufacturing today.
 
Of interest to stamp collectors, Julian’s father was a railroad postal clerk.