Here are the possible solutions for he has an apple named after him clue
Answer
Clue
Relevancy
adam
Clue
He has an apple named after him?
He has an apple named after him
An apple was named after him
Man with an apple named after him?
neko
Clue
Rocker Case who tweeted "If a dude called me a 'cougar' I'd be more likely to kill him bare-handed and shit him out in front of his parents than fuck him"
balboa
Clue
Explorer who has a monetary unit named after him
Definition
(Spanish) the monetary unit of Panama
mach
Clue
Austrian physicist Ernst who has a speed unit named after him
Definition
a number relating the speed of a body to the speed of sound
ozawa
Clue
Conductor who has a hall at Tanglewood named after him