Conversation so far:
where is the don't tread on me flag from
The Gadsen flag is named after American general and politician Christopher Gadsden (1724–1805), who designed it in 1775 during the American Revolution.
when was the gadsden flag adopted?
The Gadsen Flag was adopted in 1778.

Question: who was the flag designed by?
Self-contained rewrite: who was gadsden flag designed by?