Patrick Arnold: key obituary facts
Is Patrick Arnold dead? Yes. Patrick Arnold died on May 12, 2026, at age 59.
Cause of death: Patrick Arnold's cause of death has not been publicly confirmed.
What was Patrick Arnold known for?
He was an American chemist.
More about Patrick Arnold
Born: 10 July 1966.
Place of birth: Guilford.
Place of death: Guilford.
Gender: male.
Occupation: chemist.
Nationality: United States.
Education: University of New Haven.
Known for: Father of Prohormones.
Patrick Arnold, an American organic chemist known as the “Father of Prohormones,” died on May 12, 2026, at age 59.
Born in 1966 in Guilford, Connecticut, he was identified in available reports as the chemist who introduced androstenedione, 1-androstenediol and methylhexanamine into the dietary supplement market. He also created the designer steroid tetrahydrogestrinone, or THG, known as “the clear,” and reintroduced methylhexanamine under the mark Geranamine.
Patrick Arnold, 59, American organic chemist.