On April 16, 1943, Dr. Hoffman decided to do further research with the LSD compound (Dye, 1992 p. 5). While handling the drug, he accidentally ingested an unknown amount. Then he experienced the world's first LSD trip. About eight hours later Hoffman drifted back into normal reality and the Psychedelic Revolution was born. (Encarta 98) Three days later, in an attempt to prove that the previous episode was indeed caused by the ingestion of LSD, Dr. Hoffman ingested what he thought would be a small quantity of LSD, 250 micrograms. In actuality, this is approximately five times the dosage necessary to produce heavy hallucinations in the average adult male (Solomon, 1964, p. 34). The drug produced effects that were much more intense than the first time Hoffman took the LSD. He noted that he felt unrest, dizziness, visual disturbances, a tendency to laugh at inappropriate times, and a difficulty in concentration (Dye, 1992, p.7). Dr. Hoffman's condition improved six hours after taking the drug, although visual disturbances and distortion continued.
LSD was first shipped to the United States in 1949 (Solomon, 1964 , p. 54). American scientists tested LSD on animals to learn of its effects. It produced dramatic behavior changes in all animals investigated.
During the 1950's, experimentation of LSD on humans began (Solomon, 1964, p. 56). Since there were few restrictions on using humans for