Solomon Harper (born in Poplar Grove, Arkansas, on August 8, 1893[3]) was an electrical engineer and inventor[4] known for creating the first electrically heated hair roller[5][6][2][7] and 28 other inventions.
In 1914, he applied for his first patent for his block system which he invented to prevent train collision.
[8] During the course of his career, he struggled to receive recognition and compensation for his inventions.
He was a politically active communist, and organized at least one march to picket the White House about unemployment in 1930.
This article about a United States engineer, inventor or industrial designer is a stub.