A Communist LSD Trip A Communist LSD Trip
Drawing by Marek Raczkowski

A Communist LSD Trip

The Story of Czechoslovak Acid
Aleksander Kaczorowski
time 14 minutes

The history of Czechoslovak LSD is one of the greatest phenomena of the second half of the 20th century. How come for almost a quarter of a century, in a communist state, thousands of people, including many popular artists such as Karel Gott, were able to use psychedelic drugs entirely legally?

Why was 1960s Czechoslovakia the leading manufacturer and exporter of LSD? And why could psychiatrists there, under the guardianship of the secret police and military intelligence, experiment freely with this substance long after it had been banned all over the world?

The most unbelievable thing about this story is that it originated long before the era of Flower Power, the counterculture movement and the 1968 Prague Spring, in a past as distant and gloomy as possible: during the first years of communist rule in Eastern Europe.

In the autumn of 1952 – at the exact moment when the paranoically suspicious USSR leader Joseph Stalin unleashed a purge among the Kremlin doctors, accusing them of conspiring to assassinate him and other leaders – several young psychiatrists in Prague ingested for the first time a mysterious substance that had been sent from a laboratory in Basel. This is how the Czechoslovak adventure with LSD began.

The substance arrived in Prague in an entirely legal way. A standard shipment from the pharmaceutical company Sandoz was sent to Dr Jiří Roubíček, an associate professor at the Faculty of Psychiatry at the Medical University of Prague. It contained ampoules with an oily, transparent substance described as ‘lysergic acid diethylamide’, a substance first synthesized in 1938 by the Swiss scientist Albert Hofmann. Initially considered useless, LSD attracted the attention of the company owners after Hoffman accidentally tested its effects on himself on 19th April 1943. Four years later, the first study summarizing the results of LSD tests involving healthy volunteers and patients in psychiatric hospitals was released. The article was attached to the parcel that landed on Roubíček’s desk.

Doctors in their patients’ shoes

Roubíček was a well-regarded researcher of phe


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