| | Birkeland, Kristian Olaf Bernhard (1867-1917) |
 | | In 1913, Birkeland traveled to Egypt to study the zodiacal light and found himself stranded there after the outbreak of war in Europe. |
 | | Isolated from friends and colleagues, and already accustomed to drinking heavily and taking large doses of Veronal to cure his insomnia, these two habits now spiraled out of control. |
 | | The treatise, on which he had been working furiously in the final months of his life, was lost when a ship carrying his belongings back to Europe went down off the coast of Korea. |
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