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Events
1986 – Space Shuttle Challenger breaks apart 73 seconds after liftoff killing all seven astronauts onboard
Births
1608 – Giovanni Alfonso Borelli, Italian physiologist and physicist
1611 – Johannes Hevelius, astronomer
1622 – Adrien Auzout, French astronomer
1755 – Samuel Thomas von Sömmering, German physician
1884 – Auguste Piccard, Swiss physicist
1922 – Robert W. Holley, American biochemist and Nobel Prize laureate
Deaths
1687 – Johannes Hevelius, Polish astronomer
1864 – Émile Clapeyron, French engineer and physicist
1915 – Nikolay Umov, Russian physicist
1988 – Klaus Fuchs, German physicist
January 28, 2008