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Raphael Mechoulam, the 'father of cannabis research' who discovered THC, has died

When Mechoulam began his chemistry career, other drugs like cocaine and morphine had long been studied. But little was known about the scientific properties of the marijuana plant.
Raphael Mechoulam delivers a speech at a cannabis conference in Tel Aviv in 2016.

Raphael Mechoulam, the Israeli researcher whose work helped to broaden the scientific understanding of cannabis and the compounds that cause the drug's distinctive high, has died.

Mechoulam, who was 92, died in Jerusalem early this month, according to American Friends of the Hebrew University.

Among Mechoulam's contributions to the

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