Template:Are You Sure/April 29

• ... that mathematician, theoretical physicist, engineer, and philosopher of science Henri Poincaré (1854–1912) is often described as a polymath, and in mathematics as "The Last Universalist" by Eric Temple Bell, since Poincaré excelled in all fields of the discipline as it existed during his lifetime?

• ... that Ludwig Wittgenstein (1889–1951) believed, in the words of his friend Georg Henrik von Wright, that "his ideas were generally misunderstood and distorted even by those who professed to be his disciples. He doubted he would be better understood in the future. He once said he felt as though he was writing for people who would think in a different way, breathe a different air of life, from that of present-day men."?