What is the correct spelling of William Oughtred's last name?
Owtred
Oughtright
Outred
Oughterd
Answer
Owtred is the correct spelling of William Oughtred's last name. This is because Oughtred was a 17th-century mathematician known for his contributions to the slide rule and the development of trigonometry, his name was spelled as "Owtred" in his publications and contemporary records.
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