Because some person always wants the credit.
Thomas Edison is credited with inventing the lightbulb.
a dam
Dam.
Which group was credited with inventing the recitative
beavers make dams
yes
Hans Lippershey was credited in inventing the very first telescope. Galileo did NOT invent the telescope.
Manute Bol is credited with inventing/popularizing the phrase "my bad"
Alexander Flemming
Chinese
Phoenician
The steamboat