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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.
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]
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 ...
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.
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 ...
Chemistry. The 1871 periodic table constructed by Dmitri Mendeleev. The periodic table is one of the most potent icons in science, lying at the core of chemistry and embodying the most fundamental principles of the field. The history of chemistry represents a time span from ancient history to the present.
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 ...