<Table> <Tr> <Th_colspan="2"> William Kemmler </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> </Th> <Td> William Francis Kemmler (1860 - 05 - 09) May 9, 1860 Philadelphia, Pennsylvania </Td> </Tr> <Tr> <Th> </Th> <Td> August 6, 1890 (1890 - 08 - 06) (aged 30) Auburn Prison in Auburn, New York </Td> </Tr> <Tr> <Th> Occupation </Th> <Td> Produce merchant </Td> </Tr> <Tr> <Th> Criminal penalty </Th> <Td> Death by electrocution </Td> </Tr> <Tr> <Th> Criminal status </Th> <Td> Executed </Td> </Tr> <Tr> <Th> Spouse (s) </Th> <Td> Tillie Ziegler (common law wife) </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Conviction (s) </Th> <Td> Murder </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> William Kemmler </Th> </Tr> <Tr> <Th> </Th> <Td> William Francis Kemmler (1860 - 05 - 09) May 9, 1860 Philadelphia, Pennsylvania </Td> </Tr>

Who was the first person to be killed by the death penalty