US 2021 Chien-Shiung Wu, Nuclear Physicist 55c. Scott. 5557
Stamp details: Chien-Shiung Wu, Nuclear Physicist
Issued date: 11-02-2021 (dd/mm/yyyy)
Face value: 55c.
(FOREVER º - No Face Value)
Format: Pane of 20
Emission: Commemorative
First Day City: New York, NY
Catalogue No:-
Scott (USA): 5557
Michel (Germany): 5790BA
Yvert et Tellier (France): 5399
Unificato (Italy): 5949A
Designers: Ethel Kessler (designer) ; Kam Mak (artist)
Dimensions (height x width):
39.75mm x 25mm
Printer: Ashton Potter (USA) Ltd.
Print Method: Offset, Microprint
Perforation: Serpentine Die Cut 11
Stamp Colors: Multicolored
Gum type: Self-Adhesive
Themes: Famous People, Physicist, Scientist, Woman
Total print: 18,000,000 (estimate)
Note: Face value US$0.55 on day of issue.
Issued date: 11-02-2021 (dd/mm/yyyy)
Face value: 55c.
(FOREVER º - No Face Value)
Format: Pane of 20
Emission: Commemorative
First Day City: New York, NY
Catalogue No:-
Scott (USA): 5557
Michel (Germany): 5790BA
Yvert et Tellier (France): 5399
Unificato (Italy): 5949A
Designers: Ethel Kessler (designer) ; Kam Mak (artist)
Dimensions (height x width):
39.75mm x 25mm
Printer: Ashton Potter (USA) Ltd.
Print Method: Offset, Microprint
Perforation: Serpentine Die Cut 11
Stamp Colors: Multicolored
Gum type: Self-Adhesive
Themes: Famous People, Physicist, Scientist, Woman
Total print: 18,000,000 (estimate)
Note: Face value US$0.55 on day of issue.
Description:- Chien-Shiung Wu (1912-1997) was a Chinese-American particle and experimental physicist who made significant contributions in the fields of nuclear and particle physics. Wu worked on the Manhattan Project, where she helped develop the process for separating uranium into uranium-235 and uranium-238 isotopes by gaseous diffusion. She is best known for conducting the Wu experiment, which proved that parity is not conserved. This discovery resulted in her colleagues Tsung-Dao Lee and Chen-Ning Yang winning the 1957 Nobel Prize in Physics, while Wu herself was awarded the inaugural Wolf Prize in Physics in 1978. Her expertise in experimental physics evoked comparisons to Marie Curie. Her nicknames include the "First Lady of Physics", the "Chinese Madame Curie" and the "Queen of Nuclear Research".
Source: en.wikipedia.org/wiki/Chien-Shiung_Wu
Source: en.wikipedia.org/wiki/Chien-Shiung_Wu