THE science which has to do with nature clearly concerns itself for the most part with bodies and magnitudes and their properties and movements, but also with the principles of this sort of substance, as many as they may be.
Ludwig Wittgenstein wrote The Tractatus Logico-Philosophicus (Latin for Logical-Philosophical Treatise) as an ambitious project to identify the relationship between language and reality and to define the limits of science.
Anyone who had read "e;The Greatest Thing in the World"e; could not help but desire to see and hear its author; and, when Professor Drummond visited Boston in the spring of 1893, the capacity of lecture halls was taxed to the utmost.
The book "Experienced and thought over" by the great scientist, philosopher and pedagogue Vladimir Vernadsky includes materials that help to comprehend the scale of this truly unique personality: extracts from diaries, articles, correspondence with outstanding contemporaries.