He won the Royal Photographic Society Medal in 1905 for the camera which he designed for the 24-inch Clark telescope.
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Together with William Coblentz, he measured large differences between the day and night temperatures on Mars which implied a thin Martian atmosphere.
Otto von Bismarck | Carl Sagan | Carl Jung | Carl Orff | Carl Maria von Weber | Carl Lewis | Carl Zeiss AG | Carl Linnaeus | Carl Sandburg | Carl XVI Gustaf of Sweden | Carl Levin | Otto | Carl Zeiss | Carl Michael Bellman | Carl Friedrich Gauss | Carl Froch | Otto III | Otto Piene | Otto I, Holy Roman Emperor | Otto I | Carl Perkins | Carl von Clausewitz | Carl Reiner | Otto Preminger | Carl Hancock Rux | Carl Gustaf Emil Mannerheim | Carl Edwards | Carl Cox | Carl Bildt | Carl Barks |