Meaning: 1  improvise. 2  act without preparation. 3  to let things go as they may. 4  determined on the circumstances. 5  according to the demand of the situation.
Henry Moseley. English physicist Henry Moseley, who arranged the Periodic Table in order of the atomic numbers of the elements. Henry Moseley's research career lasted only forty months before tragically ending with his death on a Gallipoli battlefield in World War I. But in his classic study of the x-ray spectra of elements, he established the truly scientific basis of the Periodic Table by arranging chemical elements in the order of their atomic numbers. Henry Gwyn Jeffreys Moseley, who was always called Harry by his family, was born in Weymouth, England, on November 23, 1887.
These men were joined in 1818â19 by William Whewell (who became master of Trinity College in 1841 and the leading historian and philosopher of science in the early 19th century), George Airy (who was later appointed Astronomer Royal), Adam Sedgwick (who in 1818 became Woodwardian professor of geology at Cambridge),8 William Hopkins (prominent physics professor), E.D. Clark (a leading mineralogist), and John Henslow (an important botanist and co-founder with Sedgwick of the Cambridge ...