Dmitri Ivanenko (Russian: Дмитрий Дмитриевич Иваненко) (1904 - 1994) was a Professor of Moscow State University (since 1943), made the great contribution to the physical science (especialy, to gravitational physics) of the twentieth century. He died on 30th December 1994. He was a long-time friend of Lev Landau and George Gamov. He is credited as been the first who suggested that atom nuclei consist of protons and neutrons (1932). 1904 is a leap year starting on a Friday (link will take you to calendar). ... 1994 (MCMXCIV) was a common year starting on Saturday of the Gregorian calendar, and was designated the International year of the Family. ... Moscow State University campus M.V. Lomonosov Moscow State University (Russian: ÐоÑковÑкий ÐоÑÑдаÑÑÑвеннÑй УнивеÑÑиÑÐµÑ Ð¸Ð¼ÐµÐ½Ð¸ Ð.Ð.ÐомоноÑова, often abbreviated ÐÐУ, MSU, MGU) is the largest and oldest university in Russia, founded in 1755. ... 1943 (MCMXLIII) is a common year starting on Friday. ... Metric theories of gravitation (e. ... (19th century - 20th century - 21st century - more centuries) Decades: 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s The 20th century lasted from 1901 to 2000 in the Gregorian calendar (often from (1900 to 1999 in common usage). ... 1994 (MCMXCIV) was a common year starting on Saturday of the Gregorian calendar, and was designated the International year of the Family. ... Lev Davidovich Landau Lev Davidovich Landau (Russian language: ÐеÌв ÐавиÌÐ´Ð¾Ð²Ð¸Ñ ÐандаÌÑ) (January 22, 1908 â April 1, 1968) was a prominent Soviet physicist and winner of the Nobel Prize in Physics whose broad field of work included the theory of superconductivity and superfluidity, quantum electrodynamics, nuclear physics and particle physics. ... A stylized representation of a lithium atom. ... For alternative meanings see proton (disambiguation). ... Properties In physics, the neutron is a subatomic particle with no net electric charge and a mass of 940 MeV/c² (1. ... 1932 (MCMXXXII) is a leap year starting on a Friday. ...