The protocol followed by some stores when a child is reported missing called "Code Adam" after 6-year-old Adam Walsh, who was abducted and murdered in 1981.
Coffee is sometimes referred to as a "cup of joe" because of Secretary of the Navy Josephus Daniels.
The "Real McCoy" refers to a type of automatic oiler invented by a black man.
Dr. Joseph Guillotin invented the guillotine and was later executed with one of those machines.
Settlement of a wrongful death suit compels the Post Office to mail for free any letters with "Frank" inscribed in the space where the stamp would otherwise go.
The greeting "Hello" entered the language because it was the surname of Alexander Graham Bell's girlfriend.
The origins of various terms that either gained their nomenclature from being named for actual people or are generally believed to have gained their names in that fashion.