Chester Feldman (Died circa 1997, aged 71) was an American Television producer of game shows, normally for Mark Goodson Productions, eg Card Sharks, Classic Concentration etc. 1997 (MCMXCVII) was a common year starting on Wednesday of the Gregorian calendar. ... Mark Goodson (January 14, 1915 – December 18, 1992) was an American television producer born in Sacramento, California. ... Card Sharks was an American television game show in which contestants guessed whether a playing card was higher or lower than the card that preceded it. ... Concentration is NBCs longest running game show. ...