Portsmouth enrols 23,000 students and is ranked among the world's best modern universities. Portsmouth is also the birthplace of author Charles Dickens and engineer Isambard Kingdom Brunel. The Romans built Portus Adurni, a fort, at nearby Portchester in the late third century. The city's Old English name "Portesmuða" is derived from "port", meaning a haven, and "muða", the mouth of a large river or estuary. The "Anglo-Saxon Chronicle" has a warrior called Port and his two sons killing a noble Briton in Portsmouth in 501. Winston Churchill, in his "A History of the English-Speaking Peoples", says that Port was a pirate
Buses in Portsmouth serve Portsmouth. Two smaller operators in the area, Yellow Motor Service and Enterprise, were taken over by Hants & Dorset in 1924, returning their vehicles to Portsmouth. Some Southdown routes did not initially reach Portsmouth city centre, but stopped short in nearby suburbs, an early example being a route between Cosham and Drayton. In 1925, PCT extended one of its routes to cover this section. In response, Southdown extended its route to serve Portsmouth city centre. The routes reverted to their original form in 1927. During the 1930s, Southdown maintained a bus station in Portsmouth. In 1946 the company arranged