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Discovered by Scottish chemist and physician Joseph Black.
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Discovered by Scottish physician Daniel Rutherford.
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Joseph Priestley and Carl Wilhelm Scheele both independently discovered oxygen.
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Alessandro Volta discovered methane while studying marsh gas between 1776 and 1778.
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Discovered by French astronomer Jules Janssen.
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Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.