06 April (United States of America ) within release S.T.E.M. goes into circulation Stamp STEM - Math face value FOREVER No Face Value
Stamp STEM - Math in catalogues | |
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Michel: | Mi: US 5480 |
Stamp Number: | Sn: US 5279 |
Stamp is vertical format.
Also in the issue S.T.E.M.:
Stamp STEM - Math it reflects the thematic directions:
One of the earliest known mathematicians was Thales of Miletus (c. 624 – c. 546 BC); he has been hailed as the first true mathematician and the first known individual to whom a mathematical discovery has been attributed.He is credited with the first use of deductive reasoning applied to geometry, by deriving four corollaries to Thales's theorem.