#vigyankendra

EVENTS 837 – Halley's Comet makes its closest approach to Earth at a distance equal to 0.0342 AU (5.1 million kilometres/3.2 million miles). BIRTHDAYS 1755 – Samuel Hahnemann, German-French physician and academic. 1900 – Arnold Orville Beckman, American chemist, inventor, and philanthropist. 1917 – Robert Burns Woodward, American chemist and academic, Nobel Prize laureate. 1919 – John Houbolt, American engineer and academic. 1927 – Marshall Warren Nirenberg, American biochemist and geneticist, Nobel Prize laureate.

EVENTS 1911 – Dutch physicist Heike Kamerlingh Onnes discovers superconductivity. 1964 – The Gemini 1 test flight is conducted. BIRTHDAYS 1818 – August Wilhelm von Hofmann, German chemist and academic. 1869 – Harvey Cushing, American surgeon and academic. 1911 – Melvin Calvin, American chemist and academic, Nobel Prize laureate. 1954 – G.V. Loganathan, Indian-American engineer and academic.

EVENTS 1969 – Apollo program: NASA launches Apollo 9 to test the lunar module. BIRTHDAYS 1839 – Jamsetji Tata, Indian businessman, founded Tata Group. 1841 – John Murray, Canadian-Scottish oceanographer and biologist. 1845 – Georg Cantor, Russian-German mathematician and philosopher. 1847 – Alexander Graham Bell, Scottish-American engineer and academic, invented the telephone. 1898 – Emil Artin, Austrian-German mathematician and academic. 1918 – Arthur Kornberg, American biochemist and academic, Nobel Prize laureate.

BIRTHDAYS 1618 – Francesco Maria Grimaldi, Italian mathematician and physicist. Francesco Maria