Willard Frank Libby (December 17, 1908 – September 8, 1980) was an American chemist, famous for his role in the development of radiocarbon dating, a process which revolutionized archaeology. December 17 is the 351st day of the year (352nd in leap years) in the Gregorian Calendar. ... 1908 (MCMVIII) is a leap year starting on Wednesday (link will take you to calendar). ... September 8 is the 251st day of the year (252nd in leap years). ... 1980 (MCMLXXX) was a leap year starting on Tuesday. ... Chemist Julie Perkins of Lawrence Livermore National Laboratory pours from a Florence flask. ... Radiocarbon dating is a radiometric dating method that uses the naturally occurring isotope carbon-14 to determine the age of carbonaceous materials up to ca 60,000 years. ... Archaeology, archeology, or archæology (from the Greek words αρχαίος = ancient and λόγος = word/speech/discourse) is the study of human cultures through the recovery, documentation and analysis of material remains and environmental data, including architecture, artifacts, biofacts, human remains, and landscapes. ...

Libby was born in Grand Valley, Colorado. He received his B.S. (1931) and Ph.D. (1933) degrees from the University of California, Berkeley, where he then became a lecturer and later assistant professor. Libby spent the 1930s building sensitive geiger counters to measure weak natural and artificial radioactivity. In 1941 he joined Berkeley's chapter of Alpha Chi Sigma. The Grand Valley is a extended populated agricultural valley, approximately 30 miles (48 km) long and 5 miles (8 km) wide, located along the Colorado River in Mesa County in western Colorado in the United States. ... 1931 (MCMXXXI) was a common year starting on Thursday (link is to a full 1931 calendar). ... 1933 (MCMXXXIII) was a common year starting on Sunday (link will take you to calendar). ... University of California, Berkeley The University of California, Berkeley (also known as California, Cal, UCB, UC Berkeley, The University of California, or simply Berkeley) is a public, coeducational university situated east of the San Francisco Bay in Berkeley, California, overlooking the Golden Gate. ... // Events and trends A public speech by Benito Mussolini, founder of the Fascist movement The 1930s were described as an abrupt shift to more radical lifestyles, as countries were struggling to find a solution to the global depression. ... Image:A Geiger counter. ... For the movie, see 1941 (film) 1941 (MCMXLI) was a common year starting on Wednesday (the link is to a full 1941 calendar). ... Founded December 11, 1902 at University of Wisconsin, Madison International Headquarters Indianapolis, IN Official Colors Prussian blue & Chrome Yellow Coat of Arms Collegiate Chapters 47 active, 6 pending Alpha Chi Sigma Website Alpha Chi Sigma (ΑΧΣ) is a professional college fraternity specializing in the field of chemistry. ...

Awarded a Guggenheim Fellowship, he spent most of 1941 at Princeton University. After the start of World War II he worked on the Manhattan Project at Columbia University with Nobel laureate Harold Urey. Libby was responsible for the gaseous diffusion separation and enrichment of the Uranium-235 which was used in the atomic bomb on Hiroshima. Guggenheim Fellowships are awarded annually by the John Simon Guggenheim Memorial Foundation to those who have demonstrated exceptional capacity for productive scholarship or exceptional creative ability in the arts. ... Princeton University, incorporated as The Trustees of Princeton University, located in Princeton, New Jersey, is the fourth-oldest institution to conduct higher education in the United States. ... Control panels and operators for calutrons at the Y-12 Plant in Oak Ridge, Tennessee. ... Columbia University is a private university in the Morningside Heights neighborhood of Manhattan, New York City and a member of the Ivy League. ... Harold Clayton Urey (April 29, 1893 – January 5, 1981) was a chemist whose pioneering work on isotopes earned him the Nobel Prize in Chemistry in 1934 and later led him to theories of planetary evolution. ... -1... General Name, Symbol, Number uranium, U, 92 Chemical series actinides Group, Period, Block n/a, 7, f Appearance silvery gray metallic; corrodes to a spalling black oxide coat in air Atomic mass 238. ... The mushroom cloud of the atomic bombing of Nagasaki, Japan, 1945, rose some 18 km (11 mi) above the epicenter. ... Main keep of Hiroshima Castle The city of Hiroshima ) is the capital of Hiroshima Prefecture, and the largest city in the Chugoku region of western Honshu, the largest of Japans islands. ...

In 1945 he became a professor at the University of Chicago. In 1954, he was appointed to the UniversiU.S. Atomic Energy Commission. In 1959, he became Professor of Chemistry at [University of California, Los Angeles (UCLA)], a position he held until his retirement in 1976. He taught honors freshman chemistry from 1959 to 1963 (in keeping with a University tradition that senior faculty teach this class). He was Director of the University of California statewide Institute of Geophysics and Planetary Physics (IGPP) for many years including the lunar landing time. He married Leona Woods Marshall, a UCLA professor of environmental engineering in 1966. He also started the first Environmental Engineering program at UCLA in 1972. 1945 (MCMXLV) was a common year starting on Monday (the link is to a full 1945 calendar). ... The University of Chicago is an elite private university principally located in the Hyde Park neighborhood of Chicago, Illinois, founded in 1890 and opened in 1892. ... 1954 (MCMLIV) was a common year starting on Friday of the Gregorian calendar. ... Almost a year after World War II ended, Congress established the United States Atomic Energy Commission to foster and control the peace time development of atomic science and technology. ... 1959 (MCMLIX) was a common year starting on Thursday of the Gregorian calendar. ... 1976 (MCMLXXVI) was a leap year starting on Thursday (the link is to a full 1976 calendar). ... 1959 (MCMLIX) was a common year starting on Thursday of the Gregorian calendar. ... 1963 (MCMLXIII) was a common year starting on Tuesday (the link is to a full 1963 calendar). ... The University of California (UC) is a public university system in the state of California. ... The University of California, Los Angeles, popularly known as UCLA, is a public, coeducational university situated in the neighborhood of Westwood within the city of Los Angeles. ...

In 1960, Libby was awarded the Nobel Prize in Chemistry for leading the team (namely, post-doc James Arnold and graduate student Ernie Anderson, with a $5,000 grant) that developed Carbon-14 dating. 1960 (MCMLX) was a leap year starting on Friday (the link is to a full 1960 calendar). ... This is a list of Nobel Prize laureates in Chemistry from 1901 to the present day. ... General Name, Symbol, Number carbon, C, 6 Chemical series nonmetals Group, Period, Block 14, 2, p Appearance black (graphite) colorless (diamond) Atomic mass 12. ...