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Pearl Callahan 1897 - 1988

Pearl Callahan of Pittsburgh, Allegheny County, PA was born on January 12, 1897, and died at age 91 years old in January 1988.

Pearl Callahan

Pittsburgh, Allegheny County, PA 15221

January 12, 1897

January 1988

Female

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Pearl Callahan Pearl Callahan (1897 - 1988)

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Pearl Callahan's History: 1897 - 1988

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01/12

1897

Birthday

January 12, 1897

Birthdate

Unknown

Birthplace

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01/dd

1988

Death

January 1988

Death date

Unknown
Cause of death

Unknown
Death location

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Pearl Callahan lived 17 years longer than the average family member when died at the age of 90.

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Pearl Callahan lived 17 years longer than the average family member when died at the age of 90.

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Did you know?

In 1897, in the year that Pearl Callahan was born, in the January 22nd issue of "Engineering", the word "computer" was first used to refer to a mechanical calculation device. Previously - since the 17th century - the term computer meant "one who computes" and referred to human beings who worked with numbers.

Did you know?

In 1900, when she was merely 3 years old, the German physicist Max Planck formulated an energy theory, postulating the existence of "quanta," which lays the groundwork for the quantum theory of modern physics. In December, he introduced a paper on the Planck postulate which stated that E=hv - the energy of a photon is proportional to its frequency times a constant. Planck won a Nobel Prize in 1918 for his work in theoretical Physics.

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Pearl Callahan's Family Tree & Friends

Pearl Callahan's Family Tree

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Pearl Callahan Jan 12, 1897 - Jan 1988

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