Who is peter b. medawar?

Famous quotes containing the words medawar and/or peter:

“Today the world changes so quickly that in growing up we take leave not just of youth but of the world we were young in.... Fear and resentment of what is new is really a lament for the memories of our childhood.”
—Peter B. Medawar (1915–1987)

“A fanatic is a man that does what he thinks the Lord would do if He knew the facts of the case.”
—Finley Peter Dunne (1867–1936)