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Thegn. Ivory seal of Godwin, an unknown thegn – first half of eleventh century, British Museum. In later Anglo-Saxon England, a thegn ( pronounced / θeɪn /; Old English: þeġn) or thane[ 1] (or thayn in Shakespearean English) was an aristocrat who owned substantial land in one or more counties. Thanes ranked at the third level in lay ...
Mary Engle Pennington (1872–1952), American chemist. Agnes Pockels (1862–1935), German chemist. Anna Sundström (1785–1871), Swedish chemist. Clara Immerwahr (1870–1915), First woman to get her doctorate in chemistry in Germany. Ellen Swallow Richards (1842–1911), American industrial and environmental chemist.
This is a timeline of women in science, spanning from ancient history up to the 21st century. While the timeline primarily focuses on women involved with natural sciences such as astronomy, biology, chemistry and physics, it also includes women from the social sciences (e.g. sociology, psychology) and the formal sciences (e.g. mathematics ...
The presence of women in science spans the earliest times of the history of science wherein they have made significant contributions. Historians with an interest in gender and science have researched the scientific endeavors and accomplishments of women, the barriers they have faced, and the strategies implemented to have their work peer ...
It is situated in the north-eastern portion of the Salsette Island . Thane city is situated entirely within Thane taluka, one of the seven talukas of Thane district. It serves as the headquarters of the district. Thane city ranks as the 15th most populous city in India, with a population of 1,890,000 according to the 2011 census. [ 1]
Gentleman, Gentlewoman. Ministerialis. Lord of the Manor. v. t. e. Thane ( / ˈθeɪn /; Scottish Gaelic: taidhn) [ 1] was the title given to a local royal official in medieval eastern Scotland, equivalent in rank to the son of an earl, [ 2] who was at the head of an administrative and socio-economic unit known as a thanedom or thanage.
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 ...
This timeline of chemistry lists important works, discoveries, ideas, inventions, and experiments that significantly changed humanity's understanding of the modern science known as chemistry, defined as the scientific study of the composition of matter and of its interactions. Known as "the central science", the study of chemistry is strongly ...