<Tr> <Td> Erich Loewenhardt </Td> <Td> Imperial Germany </Td> <Td> World War I </Td> <Td>--10 August 1918 </Td> <Td> </Td> </Tr> <Tr> <Td> Ernst Udet </Td> <Td> Imperial Germany </Td> <Td> World War I </Td> <Td>--end of World War I </Td> <Td> </Td> </Tr> <Tr> <Td> Albert Ball </Td> <Td> United Kingdom </Td> <Td> World War I </Td> <Td>--7 May 1917 </Td> <Td> Was also the ace of aces and highest scoring ace for the Western allies . </Td> </Tr> <Tr> <Td> Keith Park </Td> <Td> New Zealand (No. 48 Squadron RAF) </Td> <Td> World War I </Td> <Td> 1917 </Td> <Td> Keith Park's ability as a fighter ace was overshadowed by his later successes as the commander of No. 11 Group RAF during the Battle of Britain and commander of the air defence of Malta . The Luftwaffe nicknamed him the "Defender of London". </Td> </Tr>

Who was known as the ace of aces