Prafulla Chandra Ray (1861-1944) প্রফুল্ল চন্দ্র রায় , “Life and Experiences of a Bengali Chemist”, 1932.

Susan B. Katz, “The Story of Gandhi (1869-1948): A Biography Book for New Readers”, 2020 was a biography of famous Mohandas K. Gandhi; and, topic of an earlier blog post. Harrison Horblit, 100 Books Famous in Science, 1964 also was the topic of an earlier blog post. Here I present: Prafulla Chandra Ray (1861-1944) প্রফুল্ল … Continue reading Prafulla Chandra Ray (1861-1944) প্রফুল্ল চন্দ্র রায় , “Life and Experiences of a Bengali Chemist”, 1932.

"1,2,3,5,6,7,9,12 and Other Words for B-Vitamin".

  Casimir Funk, “The Vitamines“, 1922 was the topic of an earlier blog post. In that blog post, I said Casimir Funk was the discoverer of niacin (Vitamin-B3). In the table above, I show the “B-Vitamins” including niacin (Vitamin-B3). The “numerals”: 1,2,3,5,6,7,9,12 designate groups of “biochemical similar”. In the table, the substances are metabolic equals … Continue reading "1,2,3,5,6,7,9,12 and Other Words for B-Vitamin".

Edward Mazurs, “Graphic Representations of the Periodic System During One Hundred Years”, 1957.

Edward Mazurs history of the periodic table published in 1957 was the most complete history of its kind. The periodic table of chemical elements is the essential science reference.  This book is an excellent history of the tabulation. Continue reading Edward Mazurs, “Graphic Representations of the Periodic System During One Hundred Years”, 1957.

Charles Hinton, "The Fourth Dimension: A Language of Space", 1906.

  Charles Hinton in 1880 published an article entitled “What is the Fourth Dimension”.   The periodic table of “universal” chemical elements presented by Dimitri Mendeleev required a new geometry.  Hinton was the first the mathematician of other dimensions.  The second mathematician was Edwin Abbott.  Edwin Abbott published “Flatland: A Romance of Many Dimensions”, 1884.  … Continue reading Charles Hinton, "The Fourth Dimension: A Language of Space", 1906.