Who first synthesized LSD?

Explanation

**Step-by-Step Solution:**

1. **Understanding LSD**: LSD, or lysergic acid diethylamide, is a hallucinogenic drug known for altering thoughts and feelings.

2. **Identifying the Scientist**: The question asks who first synthesized LSD. The scientist who achieved this is Albert Hoffman.

3. **Historical Context**: LSD was synthesized in the year 1938. It was derived from a compound found in the ergot fungus.

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