Was a major proponent of "reparative therapy"--aka "conversion therapy"--, a controversial process that its adherents claim can "cure" gay people of their homosexuality and convert them back to heterosexuality. It has been classified as "pseudoscience"--aka junk science--by virtually every professional psychological and medical organization and has even been deemed harmful to its patients, but it has been embraced by some fundamentalist Christian circles in the UK and especially in the US.