Quote of the day
Advertising is a valuable economic factor because it is the cheapest way of selling goods, particularly if the goods are worthless.
John B. Conway

Born: September 22, 1939 (age 86)
Bio: John Bligh Conway is an American mathematician. He is currently a professor emeritus at the George Washington University. His specialty is functional analysis, particularly bounded operators on a Hilbert space.
Known for:
- Functions of one complex variable (1973)
- A Course in Functional Analysis (1990)
- A course in operator theory (2000)
- A Course in Point Set Topology (2013)