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| | Encyclopedia: Robert Mayer |
 | | Queen Elizabeth II (Elizabeth Alexandra Mary Windsor), born 21 April 1926, is the Queen regnant of the United Kingdom of Great Britain and Northern Ireland, Canada, Australia, New Zealand, Jamaica, Barbados, the Bahamas, Grenada, Papua New Guinea, the Solomon Islands, Tuvalu, Saint Lucia, Saint Vincent and the Grenadines, Antigua and... |
 | | Julius Robert von Mayer is a scientist who made great contributions to the area of physics, but the credit was given to another. |
 | | Mayer was the first person to develop the law of the conservation of energy. |
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