Person
“Total abolition [of vivisection] … will be achieved sometime, when the conduct of humanity toward all that breathes and suffers shall be governed by ideas of altruistic equity.”
Quotes via Wikiquote (CC BY-SA), each with its original source.
Not who you're looking for? Others named Albert Leffingwell: American physician (1845–1916)
Albert Fear Leffingwell (April 24, 1895 – 1946) was an American advertising executive and novelist. He wrote crime and mystery thrillers under his own name, as well as the pseudonyms "Dana Chambers" and "Giles Jackson".