Why is degrees Celsius called degrees Celsius?

Answer 1

It was named after the man who invented it. Anders Celsius, a Swedish astronomer, created his temperature scale in 1742.

Answer 2

The Celsius scale is named after the Swedish astronomer Anders Celsius who developed it in 1742. This scale originally had 0 as the boiling point and 100 as freezing point, but these values were later reversed by Carolus Linnaeus.