Throughout the short history of LSD research, people unaffiliated or loosely affiliated with the scientific establishment distributed supplies of LSD outside of laboratory settings. Soon the lines between legitimate research and personal experimentation began to blur for some, and as early as 1962 fellow faculty members at Harvard openly criticized Leary and Alpert for abandoning scientific principles and experimenting with LSD outside official research settings. A few months later the university would dismiss both professors for violating university regulations by providing LSD to undergraduates. The controversy at Harvard coincided with greatly increased FDA restrictions on the procurement of LSD for scientific research; although some research did continue, most studies underway before the new FDA restrictions did not. After restricting its manufacture and distribution in 1965, the US government fully criminalized LSD in 1968, after which the European nations which hosted psychedelic research followed suit.