Goths
Goths Germanic tribes that overran the Western Roman empire. Originally from the Baltic area, by the 3rd century AD they had migrated to the northern Black Sea and the Lower Danube. The eastern group on the Black Sea were known as
OSTROGOTHS, the western settlers on the Danube in Dacia were known as
VISIGOTHS.
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Bertram Borden Boltwood
Encyclopedia entry from: Encyclopedia of World Biography
Bertram Borden Boltwood The American radiochemist Bertram Borden Boltwood (1870-1927) discovered the parent of radium and developed a method of geological dating. Bertram Boltwood was born on July 27, 1870, in Amherst, Massachusetts. His...
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Boltwood, Bertram Borden
Dictionary entry from: Complete Dictionary of Scientific Biography
Boltwood, Bertram Borden ( b . Amherst, Massachusetts, 27 July...proper sequence in the decay series, Boltwood was an equal among such first-generation...Massachusetts. This was Lucius Boltwood, Bertram ’ s grandfather, who was...
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Nuclear Fission
Book article from: World of Earth Science
...x2013; 1908). In 1905, British physicist Ernst Rutherford (1871 – 1937) and American physicist Bertram Borden Boltwood (1870 – 1927) first used radioactive decay measurements to date minerals . The fission reaction was...
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