Peace

https://commons.wikimedia.org/wiki/File:Morton_Ether_1846.jpg

Dentist William T.G. Morton was the first to use sulfuric ether as an anaesthetic, but he’d learned about this property at the chemistry lectures of Charles T. Jackson.

Which of them deserved a monument? Oliver Wendell Holmes suggested setting up statues of both men on the same pedestal, with the inscription:

To E(i)ther