Quotes:Pictet, Raoul-Pierre

Zirkoff, Boris

Pictet, Raoul-Pierre. Swiss physicist, b. at Geneva, April 4, 1846; d. at Paris, July 27, 1929. Prof, of Physics in Geneva University, 1879-85. Investigated the condition of matter at very low temperatures and liquefied hydrogen, oxygen and nitrogen in 1877, almost at the same time with Cailletet. Founded in Berlin a factory for refrigeration machines and produced the thermos bottle. Wrote a number of scientific papers.

Source: Boris de Zirkoff, «H. P. Blavatsky Collected Writings», vol. 4, p. 662

Pictet, Raoul-Pierre (1846–1929). Swiss chemist and physicist, b. at Geneva, April 4, 1846; d. at Paris, July 27, 1929. Prof. of industrial physics at Geneva Univ., 1879–86; representative at the Great Council, 1880–82. Especially renowned for having liquefied oxygen, 1877, an epochal discovery in chemistry. Employed a method somewhat different at about same time from the one used by Cailletet. Produced liquid hydrogen and nitrogen as well. Settled for some time in Berlin, then in Paris, and engaged in research on chloroform, acetylene, etc. Chief works: Mémoire sur la liquéfaction de 472 l'oxygène, etc., Paris, 1878.—Synthèse de la chaleur, Paris, 1879.—Étude critique du matérialisme et du spiritualisme par la physique expérimentale, Geneva, 1896.

Source: Boris de Zirkoff, «H. P. Blavatsky Collected Writings», vol. 8, pp. 471-472