John Petro was a doctor who gained notoriety for prescribing controlled drugs in 1960s Britain.
[1] Petro did not have an office and worked out of coffee bars and cafes.
[1] His practice was widely covered by British tabloids for months.
[1] In January 1968, Petro was invited on David Frost's television program to discuss his practice.
[4] Petro was discussed in the House of Commons by Alexander Lyon, Edward Short, and Cranley Onslow during a debate about trial by television.