fahrenheit, n.Trivia

Fahrenheit is named after German, Daniel Fahrenheit, who invented the mercury thermometer as well as his (now eponymous) temperature-measuring scale in the mid-18th century.

Celcius is confusing --- -40 degrees Fahrenheit is the same temperatures as -40 degrees Celsius.

Daniel Fahrenheit was the mid-18th century inventor of the mercury thermometer and a temperature-measuring scale.