[jampekka]

LSD was discovered in and extensively tested and produced by the giant medical company Sandoz for about 20 years. It was also extensively studied in academic settings.

The black market production started a lot later, mostly due to the War on Drugs.

[herbst]

Sandoz still produces LSD

[krispyfi]

Source? Their patent expired, and Wikipedia says they stopped making it on the 60s. Occasionally a sealed bottle of Delysid will surface somewhere, but I think that they are all vintage.