Writer besides being a columnist, is also an architecture critic and author of books. Writers who record their experiences, thoughts or feelings in a sequential form over a period of time in a diary are known as diarists. Their writings can provide valuable insights into historical periods, specific events or individual personalities. Examples include Samuel Pepys (1633–1703), an English administrator and Member of Parliament, whose detailed private diary provides eyewitness accounts of events during the 17th century, most notably of the Great Fire of London. Anne Frank (1929–1945) was a 13-year-old girl whose diary from 1942 to 1944 records both her
John Day (computer scientist) the Illiac IV supercomputer project. Day was adjunct professor at Worcester Polytechnic Institute in 2006 and is currently a lecturer in Computer Science at Boston University Metropolitan College. Day is the author of the 2008 book "Patterns in Network Architecture: A Return to Fundamentals", which gave rise to the Recursive Internetwork Architecture, and the RFC documents RFC 520, RFC 728, RFC 731, and RFC 732. He has also published articles on the history of cartography, on topics such as Matteo Ricci's 16th–17th century maps. John Day (computer scientist) John D. Day (from Kinmundy, Illinois, born 1947) is a computer scientist,