Thomas Hubbard Sumner, Date of Birth, Place of Birth, Date of Death
TweetThomas Hubbard Sumner
American sea captain
Date of Birth: 20-Mar-1807
Place of Birth: Boston, Massachusetts, United States
Date of Death: 09-Mar-1876
Profession: ship captain
Nationality: United States
Zodiac Sign: Pisces 
About Thomas Hubbard Sumner
- Thomas Hubbard Sumner (20 March 1807 – 9 March 1876) was a sea captain during the 19th century.
- He is best known for developing the celestial navigation method known as the Sumner line or circle of equal altitude.
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