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Concept
1930 in science
Summary
The year 1930 in science and technology involved some significant events, listed below.
January 15 – The Moon moves into perigee at the same time as the lunar phase reaches its fullest. This is the closest Moon distance to Earth (at 356,397 km) in 23 years and it will not come closer until 2257.
February 18 – Pluto is identified by Clyde Tombaugh from photographs taken during January at the Lowell Observatory.
Bernhard Schmidt invents the Schmidt Camera.
January 30 – Pavel Molchanov launches a radiosonde from Pavlovsk in the Soviet Union.
Sydney Chapman explains the ozone-oxygen cycle, the process by which ozone is continually regenerated in Earth's stratosphere.
Elena Ivanovna Barulina produces the first study of the international distribution of lentils.
April 17 – Neoprene is invented by DuPont.
Soviet Orientalist Vasily Vasilievich Struve, with Boris Turaev, provides solutions to the problems in the Moscow Mathematical Papyrus.
Vojtěch Jarník first discovers 'Prim's algorithm'.
Kazimierz Kuratowski characterizes his planar graph theorem.
Bartel van der Waerden publishes Moderne Algebra.
March 5 – Danish painter Einar Wegener begins to undergo sexual reassignment surgery in Germany and takes the name Lili Elbe.
July 10 – Mental Treatment Act 1930 in the United Kingdom provides for free voluntary treatment for psychiatric conditions and for psychiatric outpatient clinics, replaces the term "asylum" with "mental hospital" and reorganises the Board of Control for Lunacy and Mental Deficiency.
November 25 – Cecil George Paine, a pathologist at the Sheffield Royal Infirmary in England, achieves the first recorded cure (of an eye infection) using penicillin.
DPT vaccine (against diphtheria, tetanus and pertussis) is first used.
December 4 – Wolfgang Pauli postulates the existence of the particle later identified as the electron neutrino.
August 18 – Salginatobel Bridge in Switzerland, designed by Robert Maillart, opened.
November 13 – Rotolactor rotating platform milking machine first operates.
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