<Table> <Tr> <Th_colspan="2"> Elizabeth Tower </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Alternative names </Th> <Td> Big Ben </Td> </Tr> <Tr> <Th_colspan="2"> General information </Th> </Tr> <Tr> <Th> Type </Th> <Td> Clock tower </Td> </Tr> <Tr> <Th> Architectural style </Th> <Td> Gothic Revival </Td> </Tr> <Tr> <Th> Location </Th> <Td> Westminster, London, England, UK </Td> </Tr> <Tr> <Th> Coordinates </Th> <Td> 51 ° 30 ′ 03" N 0 ° 07 ′ 28" W ﻿ / ﻿ 51.5007 ° N 0.1245 ° W ﻿ / 51.5007; - 0.1245 Coordinates: 51 ° 30 ′ 03" N 0 ° 07 ′ 28" W ﻿ / ﻿ 51.5007 ° N 0.1245 ° W ﻿ / 51.5007; - 0.1245 </Td> </Tr> <Tr> <Th> Completed </Th> <Td> 31 May 1859; 158 years ago (31 May 1859) </Td> </Tr> <Tr> <Th> Height </Th> <Td> 96 metres (315 ft) </Td> </Tr> <Tr> <Th_colspan="2"> Technical details </Th> </Tr> <Tr> <Th> Floor count </Th> <Td> 11 </Td> </Tr> <Tr> <Th_colspan="2"> Design and construction </Th> </Tr> <Tr> <Th> Architect </Th> <Td> Augustus Pugin </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Elizabeth Tower </Th> </Tr>

Who were the architects that designed and built big ben