C. Northcote Parkinson moved to the Isle of Man. After two years there, they moved to Canterbury, Kent, where he died in March 1993, at the age of 83. He was buried in Canterbury, and the law named after him is quoted as his epitaph. C. Northcote Parkinson Cyril Northcote Parkinson (30 July 1909 – 9 March 1993) was a British naval historian and author of some 60 books, the most famous of which was his best-seller "Parkinson's Law" (1957), in which Parkinson advanced Parkinson's law, stating that "work expands so as to fill the time available for its completion", an insight which
Aufbau principle Aufbau principle The aufbau principle states that in the ground state of an atom or ion, electrons fill atomic orbitals of the lowest available energy levels before occupying higher levels. For example, the 1s shell is filled before the 2s subshell is occupied. In this way, the electrons of an atom or ion form the most stable electron configuration possible. An example is the configuration 1s 2s 2p 3s 3p for the phosphorus atom, meaning that the 1s subshell has 2 electrons etc. ' is a German noun that means construction or "building-up". The aufbau principle is sometimes called the