See also: 1905 in science, other events of 1906, 1907 in science and the list of years in science.

Table of contents

1 Astronomy 2 Biology 3 Chemistry 4 Geology 5 Physics 6 Medicine 7 Technology 8 Nobel Prizes 9 Births 10 Deaths

Astronomy

Biology

Chemistry

• Charles Barkla discovers that each element has a characteristic X-ray and that the degree of penetration of these X-rays is related to the atomic weight of the element
• Mikhail Tsvett discovers the chromatography technique for organic compound separation

• Richard Oldham argues that the Earth has a molten interior

• Walther Nernst presents a formulation of the third law of thermodynamics

• BCG (Bacilli-Calmette-Guerin) immunization for Tuberculosis first developed
• Frederick Hopkins suggests the existence of vitamins and suggests that a lack of vitamins causes scurvy and rickets

• Reginald Fessenden makes the first radio broadcast: a poetry reading, a violin solo, and a speech.

• Sir Joseph John Thomson is awarded the Nobel Prize for Physics
• Henri Moissan is awarded the Nobel Prize for Chemistry
• Camillo Golgi and Santiago Ramón y Cajal are awarded the Nobel Prize for Medicine

• January 11 - Albert Hofmann, chemist
• February 4 - Clyde Tombaugh, astronomer
• April 28 - Kurt Gödel, mathematician
• September 4 - Max Delbrück, biologist
• November 3 - Carl Benjamin Boyer, historian of mathematics