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- Bertram_Boltwood abstract "Bertram Borden Boltwood (July 27, 1870 Amherst, Massachusetts - August 15, 1927, Hancock Point, Maine) was an American pioneer of radiochemistry.He graduated from Yale University, and taught there 1897-1900. He established that lead was the final decay product of uranium, noted that the lead-uranium ratio was greater in older rocks and, acting on a suggestion by Ernest Rutherford, was the first to measure the age of rocks by the decay of uranium to lead, in 1907. He got results of ages of 400 to 2200 million years, the first success of radiometric dating. More recently, older mineral deposits have been dated to about 4.4 billion years old, close to the best estimate of the age of earth. Boltwoodite is named after him.In his later days, Boltwood suffered from depression and committed suicide on August 15, 1927.".
- Bertram_Boltwood almaMater Yale_University.
- Bertram_Boltwood birthDate "1870-07-27".
- Bertram_Boltwood birthName "Bertram Borden Boltwood".
- Bertram_Boltwood birthPlace Amherst,_Massachusetts.
- Bertram_Boltwood birthYear "1870".
- Bertram_Boltwood deathDate "1927-08-15".
- Bertram_Boltwood deathPlace Hancock_Point,_Maine.
- Bertram_Boltwood deathYear "1927".
- Bertram_Boltwood field Radiochemistry.
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- Bertram_Boltwood influencedBy Ernest_Rutherford.
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- Bertram_Boltwood nationality United_States.
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- Bertram_Boltwood almaMater Yale_University.
- Bertram_Boltwood birthDate "1870-07-27".
- Bertram_Boltwood birthName "Bertram Borden Boltwood".
- Bertram_Boltwood birthPlace Amherst,_Massachusetts.
- Bertram_Boltwood dateOfBirth "1870-07-27".
- Bertram_Boltwood dateOfDeath "1927-08-15".
- Bertram_Boltwood deathDate "1927-08-15".
- Bertram_Boltwood deathPlace Hancock_Point,_Maine.
- Bertram_Boltwood field "Radiochemistry".
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- Bertram_Boltwood name "Bertram Boltwood".
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- Bertram_Boltwood comment "Bertram Borden Boltwood (July 27, 1870 Amherst, Massachusetts - August 15, 1927, Hancock Point, Maine) was an American pioneer of radiochemistry.He graduated from Yale University, and taught there 1897-1900. He established that lead was the final decay product of uranium, noted that the lead-uranium ratio was greater in older rocks and, acting on a suggestion by Ernest Rutherford, was the first to measure the age of rocks by the decay of uranium to lead, in 1907.".
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