The philosopher that wrote How Are We to Live? is known for what 1975 book that argues in favor of vegetarianism?
How Are We to Live? How Are We to Live?: Ethics in an Age of Self-Interest is a book on applied ethics by bioethical philosopher Peter Singer. It was first published in 1993, with subsequent editions in later years. Singer argues that doing the right thing involves attending to the sufferings and preferences of other sentient beings.
Theriophily Theriophily (or animalitarianism) is "the inversion of human and animal traits and the argument that animals are in some way superior to men". The term theriophily was coined by George Boas, while the term animalitarianism was coined by Arthur O. Lovejoy in the work "A Documentary History of Primitivism and Related Ideas", in which he explained his "belief that animals are happier, more admirable, more 'normal', or 'natural', than human beings" In his work "Love for Animals", Dix Harwood wrote "This much is certain. Between 1700 and 1800, the point of view on man's relations to other living creatures changed".