John Ross Callahan
John R. Callahan (1853 – February 12, 1918) was a pioneer in the field of dentistry and particularly dental research in the late 19th and early 20th centuries. Born in Hillsboro, Ohio in 1853, Callahan received his dental degree from the Philadelphia Dental College in 1877. He practiced dentistry in San Francisco for two years before returning to Hillsboro where he practiced until 1890. He then moved to Cincinnati, Ohio joining the practice of Dr. C. R. Taft.
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John Ross Callahan
John R. Callahan (1853 – February 12, 1918) was a pioneer in the field of dentistry and particularly dental research in the late 19th and early 20th centuries. Born in Hillsboro, Ohio in 1853, Callahan received his dental degree from the Philadelphia Dental College in 1877. He practiced dentistry in San Francisco for two years before returning to Hillsboro where he practiced until 1890. He then moved to Cincinnati, Ohio joining the practice of Dr. C. R. Taft.
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John R. Callahan (1853 – Febru ...... He died on February 12, 1918.
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academic discipline
birth place
citizenship
death date
1918-01-12
Wikipage page ID
22,632,889
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1,018,552,941
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awards
Jarvie Fellowship Medal
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Member of the Institute on Dental Research of the National Dental Association
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birth place
citizenship
death date
1918-01-12
fields
Dentistry, dental research
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known for
Research into diseases of dental pulp, methods for filling root canals.
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name
John R. Callahan
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John R. Callahan (1853 – Febru ...... he practice of Dr. C. R. Taft.
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John Ross Callahan
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name
John R. Callahan
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