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・ Helena Asamoah-Hassan
・ Helena Asanina Kantakouzene
・ Helen Upperton
・ Helen Utegaard
・ Helen Va'aga
・ Helen Valentine
・ Helen Valeska Bary
・ Helen van der Ben
・ Helen van Dongen
・ Helen van Goozen
・ Helen Van Pelt Wilson
・ Helen Vanderburg
・ Helen Varcoe
・ Helen Varley Jamieson
・ Helen Vatsikopoulos
Helen Vaughn Michel
・ Helen Vela
・ Helen Velando
・ Helen Vendler
・ Helen verDuin Palit
・ Helen Verhoeven
・ Helen Vernet
・ Helen Verran
・ Helen Vincent, Viscountess D'Abernon
・ Helen Vinson
・ Helen Virginia (Skipjack boat)
・ Helen Vita
・ Helen Vlachos
・ Helen Volk
・ Helen Vollam


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Helen Vaughn Michel : ウィキペディア英語版
Helen Vaughn Michel

Helen Vaughn Michel (born 1932) is an American chemist best known for her efforts in fields including analytical chemistry and archaeological science, and specific processes such as neutron activation analysis and radiocarbon dating. Her work with Frank Asaro at the Lawrence Berkeley National Laboratory at the University of California (Berkeley) is particularly noteworthy as it includes the dating of Drake's Plate of Brass as well as the Alvarez hypothesis, the hypothesis that posits the Cretaceous–Paleogene extinction event.
Michel retired from the Lawrence Berkeley National Laboratory in 1990.〔
== References ==




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