The highest human types or "lives", which one may go through before attaining the divinity and immortality of fr. 147, are those of benefactors of their fellow man: "and finally they come as seers and bards and physicians and leaders among men on earth.1133 The humanistic motive that led Empedocles to see as the ruling forces in nature Love and Strife, which are most familiar to us as forces in the life of man, is also the leading spirit of his physical philosophy.
For some information about the author see
He passed away in 1985.
Minar, Edwin L. Jr., "Cosmic Periods in the Philosophy of Empedocles" (1961). The Society for Ancient Greek Philosophy Newsletter. 42.