Uranium has an atomic number.
Robert Calder Allen CB -LRB- 1812 -- 1903 -RRB- was an English naval captain .. Order of the Bath. naval. Royal Navy. Robert Calder. Robert Calder. Born on 8 August 1812 , was son of William Allen , a master in the navy and presumably a follower of Admiral Sir Robert Calder .. Robert Calder. Robert Calder. He entered the navy as a second-class volunteer in July 1827 .. In that grade and as second master he served with credit , principally on the west coast of Africa and in China .. In 1841 he was advanced to be master , and in 1842-44 was master of the Dido , with Sir Henry Keppel , in her celebrated cruises against the Malay pirates of Borneo .. Dido. HMS Dido ( 1836 ). Henry Keppel. Henry Keppel. Borneo. Borneo. In 1850-51 he was master of the Resolute in the Arctic , under Captain Austin , whom he followed from the Blenheim , and had charge of the magnetic observations .. Resolute. HMS Resolute ( 1850 ). Captain Austin. Horatio Thomas Austin. Blenheim. HMS Blenheim ( 1813 ). In 1854-55 he was master of the Hogue blockship in the Baltic , and rendered efficient service by his survey , often under fire , of the approaches to Bomarsund .. Hogue. HMS Hogue ( 1811 ). blockship. blockship. Bomarsund. Bomarsund, Aland. In 1863 he was promoted to the then new rank of staff-commander , and in 1867 to that of staff-captain .. In 1866-67 he was master-attendant and harbour-master at Malta ; and in 1867 was appointed in the same capacity to Devonport , whence he was transferred to Deptford .. Malta. Malta Dockyard. Devonport. HMNB Devonport. Deptford. Deptford Dockyard. When that dockyard was closed in October 1870 , he retired with the rank of captain .. He was a silent , thoughtful man , singularly modest and retiring .. The subordinate position in which so much of his service was passed prevented his name from coming prominently before the public ; but in the navy his reputation as a sound and skilful navigator and pilot stood very high , and was officially recognised in his nomination to C.B. in 1877 .. He died in London on 28 January 1903 .