February 16th |
1826 | (Hans Peter Jörgen) Julius Thomsen was born. He tabulated the amount of heat released or absorbed in 3,500 chemical reactions, prepared the first table of the relative strengths of acids. Fabricated of soda from the mineral cryolite (patented in 1853) and established a factory in St. Petersburg capable of producing two tons per day. He designed the modern format of groups and periods on the long form of the Periodic Table of the Elements (1895). |
1955 | F. P. Bundy, H. T. Hall, H. M. Strong and R. H. O. Wentoff announced synthesis of diamonds at GE Research Laboratories. |