Simplify the following text for a Grade 6 native English-speaking person.
Original: LSD was first synthesized on November 16 , 1938 by Swiss chemist Albert Hofmann at the Sandoz Laboratories in Basel , Switzerland as part of a large research program searching for medically useful ergot alkaloid derivatives .
Simplified: LSD is made in a laboratory by chemists . It was invented in 1938 by a Swiss chemist named Dr. Albert Hofmann at the Sandoz Laboratories in Switzerland .