Shortly after beginning his medical practice , he abandoned it to read law , and was admitted to the Iowa bar in 1852 .
Shortly after beginning to work as a doctor , he switched to studying law , and was admitted to the Iowa bar in 1852 .
He appeared on televised game shows in the 1960s , 1970s , and 1980s , including being a long-time panelist on the television game show `` To Tell the Truth '' .