A Dr. John Preston, PsyD, Psychology, answered. The average age of onset for bipolar disorder is 23, although late-adolescent onset is fairly common. Bipolar disorder can occur as early as 6 years old or as late as 50. Dr. John Preston, PsyD, Psychology, answered. The average age of onset for bipolar disorder is 23, although late-adolescent onset is fairly common. Bipolar disorder can occur as early as 6 years old or as late as 50.
John Richard Schneider III. John Richard Schneider III (born April 8, 1960) is an American actor and singer. He is best known for his portrayal of Bo Duke in the 1980s American television series The Dukes of Hazzard, and as Jonathan Kent on Smallville, a 2001 television adaptation of Superman.
John Schneider as Bo Duke in The Dukes of Hazzard. Beauregard Bo Duke is a fictional character in the American television series The Dukes of Hazzard, which ran from 1979 to 1985. He was played by television actor John Schneider (b.1960). Bo and his cousin Luke live in an unincorporated area of the fictional Hazzard County, in Georgia.