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Alchemy (from Arabic: al-kīmiyā; from Ancient Greek: χυμεία, khumeía)[1] is an ancient branch of natural philosophy, a philosophical and protoscientific tradition that was historically practised in China, India, the Muslim world, and Europe.[2] In its Western form, alchemy is first attested in a number of pseudepigraphical texts ...
Charles Robert Darwin FRS FRGS FLS FZS JP [6] ( / ˈdɑːrwɪn / [7] DAR-win; 12 February 1809 – 19 April 1882) was an English naturalist, geologist and biologist, [8] widely known for his contributions to evolutionary biology. His proposition that all species of life have descended from a common ancestor is now generally accepted and ...
Lyndon Baines Johnson (/ ˈ l ɪ n d ə n ˈ b eɪ n z /; August 27, 1908 – January 22, 1973), often referred to by his initials LBJ, was an American politician who served as the 36th president of the United States from 1963 to 1969. He became president after the assassination of John F. Kennedy, under whom he had served as the 37th vice president from 1961 to 1963.
The Cold War was a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc, that started in 1947, two years after the end of World War II and lasted to 1991, the fall of the Soviet Union. The term cold war is used because there was no large-scale fighting ...
C ( pronounced / ˈsiː / – like the letter c) [6] is a general-purpose programming language. It was created in the 1970s by Dennis Ritchie and remains very widely used and influential. By design, C's features cleanly reflect the capabilities of the targeted CPUs. It has found lasting use in operating systems, device drivers, and protocol ...
Sir Alfred Joseph Hitchcock KBE (13 August 1899 – 29 April 1980) was an English film director. He is widely regarded as one of the most influential figures in the history of cinema.[1] In a career spanning six decades, he directed over 50 feature films,[a] many of which are still widely watched and studied today. Known as the "Master of ...
