C. Northcote Parkinson Martin's, Guernsey, where he purchased Les Caches Hall and later restored Annesville Manor. His writings from this period included a series of historical novels featuring a fictional naval officer from Guernsey, Richard Delancey, during the Napoleonic era. In 1969 he was invited to deliver the MacMillan Memorial Lecture to the Institution of Engineers and Shipbuilders in Scotland. He chose the subject 'The Status of the Engineer'. Parkinson's law, which provides insight into a primary barrier to efficient time management, states that, "work expands so as to fill the time available for its completion". This articulates a situation and an unexplained
Robustness principle Robustness principle In computing, the robustness principle is a design guideline for software: The principle is also known as Postel's law, after Jon Postel, who wrote in an early specification of TCP: In other words, programs that send messages to other machines (or to other programs on the same machine) should conform completely to the specifications, but programs that receive messages should accept non-conformant input as long as the meaning is clear. Among programmers, to produce compatible functions, the principle is popularized in the form be contravariant in the input type and covariant in the output type. RFC 1122 (1989)