Washington, Lincoln, Kennedy, Reagan, the Roosevelts, even Grover Cleveland have a variety of streets, towns, schools, airports, space centers, etc. named in their posthumous honor.
Many are on paper money, coins, stamps, or have their likenesses carved into national monuments.
I just can't...
a beach covered with plastic washed ashore
a catastrophic weather event
a mass extinction
a new form of cancer
a new kind of toilet
anuclearaccident
an approaching meteor
an oil spill