11. En 1898, sir William Crookes pidio que los cientificos salvaran a Europa de una cercana hambruna. 12. Sir William Crookes and William de Wiveleslie Abney were other early photographers to try the pinhole technique. 13. In 1900 William Crookes isolated protactinium as a radioactive material from uranium which he could not identify. 14. Early researchers included Michael Faraday, Alfred Russel Wallace, Rufus Osgood Mason, and William Crookes . 15. The usefulness of didymium glass for eye protection of this sort was discovered by Sir William Crookes . 16. In 1906, Hope managed to dupe William Crookes with a fake spirit photograph of his wife. 17. They also worked with samples of " Uranium X " from William Crookes and radium from Marie Curie. 18. The spirit photographer William Hope tricked William Crookes with a fake spirit photograph of his wife in 1906. 19. Sir William Crookes , Edward Divers and J . A . R . Newlands also attended the college. 20. He originally endorsed spiritualism after becoming convinced of the work of William Crookes with the medium Florence Cook.
