"Of all the men who attacked the flying problem in the 19th century, Otto Lilienthal was easily the most important. ... It is true that attempts at gliding had been made hundreds of years before him, and that in the nineteenth century, Cayley, Spencer, Wenham, Mouillard, and many others were reported to have made feeble attempts to glide, but their failures were so complete that nothing of value resulted."

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Well into the 19th century there were pronouncements from just about every branch of science and medicine that reading, writing, and thinking were dangerous for women. Articles in the Lancet declared that women's brains would burst and their uteruses atrophy if they engaged in any form of rigorous thinking. The famous physician J.D. Kellogg insisted that novel reading was the greatest cause of uterine disease among young women and urged parents to protect their daughters from the dreaded consequences of print.

— Dale Spender