*I shall award brainliest to the first correct answer AND the correct answer to my riddle :D* Who invented vaccination?

Charles Darwin
Edward Jenner
Issac Newton
Robert Hooke

*Riddle Time!*

A is the brother of B. B is the brother of C. C is the father of D. So how is D related to A?

if, i suppose that a bee stings me swinging my hand away from a bee. then that if, i persist patient when a bee or wasp areas on your surface to investigate a scent or to take h2o and i secreting heavily, the bug ultimately will move of its personal agreement. if i don't need to set for it to disappear, lightly and gently wipe it off with a part of the paper.

gg in the chat man add me on ps4 @strictly fort