What is "nyhan"

Nyhan may refer to:

• Brendan Nyhan (born 1978), American liberal to moderate political blogger, author, and political columnist
• David Nyhan (1940–2005), journalist.
• Denis Nyhan, driver of standardbred racehorses in New Zealand's premier racing events
• William Nyhan (born 1926), Professor of Pediatrics at UC San Diego School of Medicine in La Jolla, CA