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Clair Cameron Patterson (June 2, 1922 – December 5, 1995) [1] was an American geochemist.Born in Mitchellville, Iowa, Patterson graduated from Grinnell College.He later received his Ph.D. from the University of Chicago and spent his entire professional career at the California Institute of Technology (Caltech).
The following is a list of people who are considered a "father" or "mother" (or "founding father" or "founding mother") of a scientific field.Such people are generally regarded to have made the first significant contributions to and/or delineation of that field; they may also be seen as "a" rather than "the" father or mother of the field.
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 December 2024. Predicted dates of the end of the world This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources. The Last Judgment by painter Hans Memling. In Christian belief, the Last Judgement is an ...
Baker baking bread in an oven – miniature in a 13th-century psalter Peasants sharing bread, from the Livre du roi Modus et de la reine Ratio, France, 14th century (Bibliothèque nationale) In medieval Europe, bread served not only as a staple food but also as part of the table service.
The first eon in Earth's history, the Hadean, begins with the Earth's formation and is followed by the Archean eon at 3.8 Ga. [2]: 145 The oldest rocks found on Earth date to about 4.0 Ga, and the oldest detrital zircon crystals in rocks to about 4.4 Ga, [34] [35] [36] soon after the formation of the Earth's crust and the Earth
Dolly Parton is truly a national treasure. Whether you're a fan of her music, her style or just her personality, the famed country star has found more than one way to keep us all coming back for more.
The New York City Marathon was coming up, and they were going to block the marathon—stand in the street and keep 20,000 runners from going through. ... Vinnie was a volatile person. He was a ...
In 1868 Jules Janssen and Norman Lockyer discovered a new element in the Sun unknown on Earth, helium, which currently comprises 23.8% of the mass in the solar photosphere. [34] As of today, spectroscopes are an important tool to know about the chemical composition of the celestial bodies.