Its earliest members included noted scientists like William Crookes, and philosophers such as Henry Sidgwick and William James.
22.
The most famous maker of those devices was William Crookes, an English scientist who had discovered the element thallium.
23.
It was invented in 1873 by the chemist Sir William Crookes as the by-product of some chemical research.
24.
Chemists William Crookes and Claude-Auguste Lamy discovered thallium independently in 1861, in residues of sulfuric acid production.
25.
William Crookes used it to make spectroscopic determinations for tellurium on selenium compounds deposited in the August Hofmann years earlier.
26.
Brock has written biographies of famous chemists such as Justus von Liebig, August Wilhelm von Hofmann and William Crookes.
27.
Other early members included the chemist William Crookes, physicist Oliver Lodge, Nobel laureate Charles Richet and psychologist William James.
28.
Famous members of the club included Charles Dickens, Sir William Crookes, Sir William F . Barrett, and Harry Price.
29.
Thallium, the heaviest stable element in the boron group, was discovered by William Crookes and Claude-Auguste Lamy in 1861.
30.
Historically, X-rays were discovered radiating from experimental discharge tubes called Crookes tubes invented by British physicist William Crookes and others.
