Actually, it was an experiment, which was conducted by US government to find out the effects of psychotomimetic drugs. This one was Oscar Janiger, a University of California-Irvine psychiatrist, giving an artist crayons and doses of LSD, then asking him to draw 9 portraits of himself while under the effect of the drug.
Time: 20 Minutes After The First Dose (50ug)
Time: 85 Minutes After First Dose And 20 Minutes After A Second Dose Has Been Administered (50ug + 50ug)
Time: 2 Hours 30 Minutes After First Dose
Time: 2 Hours 32 Minutes After First Dose
Time: 2 Hours 35 Minutes After First Dose
Time: 2 Hours 45 Minutes After First Dose
Time: 4 Hours 25 Minutes After First Dose
Time: 5 Hours 45 Minutes After First Dose
Time: 8 Hours After First Dose