Larry D. Nichols

Larry D. Nichols
Born	Larry Nichols 1939 Xenia, Ohio
Resting place	Arlington, MA
Nationality	US
Education	DePauw University, Greencastle, Indiana; Harvard Graduate School
Occupation	Inventor, chemist
Employer	Moleculon Research Corporation of Cambridge, Massachusetts
Known for	Puzzle designer, inventor, chemist
Title	chief scientist

Larry D. Nichols ; born 1939 in the United States is a lifelong puzzle enthusiast and inventor. He grew up in Xenia, Ohio, and studied chemistry at DePauw University in Greencastle, Indiana, before moving to Massachusetts to attend Harvard Graduate School. He has lived with his wife Karen in Arlington, Massachusetts, for the last forty years. He is best known for the invention of mechanical puzzles such as 'The Nichols Cube Puzzle' (1974), patent US365520.

In 1957, seventeen years before Dr. Rubik’s invention popularly known as the “Rubik's Cube”, Dr. Nichols conceived of a twist cube puzzle with six colored faces. It was a 2 x 2 x 2 cube assembled from eight unit cubes with magnets on their inside faces, allowing the cubes to rotate in groups of four around three axes. The object of the puzzle was to mix the colors on the faces of the cube and then restore them. After making many preliminary models, in 1968 a working prototype was constructed, and on April 11, 1972, U.S. patent 3,655,201 was issued covering the Nichols' Cube. The patent focused on the 2 x 2 x 2 puzzle but mentioned the possibility of larger versions. In 1985 a U.S. District Court ruled that Rubik’s Cube infringed the Nichols patent, but in 1986 the Court of Appeals ruled that only the smaller 2 x 2 x 2 Rubik’s Pocket Cube was guilty of infringement, and not the extremely popular 3 x 3 x 3 Rubik's Cube.

Joan Baxter points out that Nichols received a degree in chemistry in 1958 from DePauw University, where he was a Rector Scholar, and went on to earn a doctorate at Harvard. "As a Harvard student, he invented and produced about ten different games and puzzles, this was quite a pastime for him. He went on to become the chief scientist for Moleculon Research Corporation of Cambridge, Massachusetts. One of the primary products of Moleculon is Poroplastic, which was invented by Dr. Nichols in 1973. Poroplastic film has the mechanical properties of a typical plastic, but is able to hold large quantities of almost any liquid within its tiny pores. Current usage of Poroplastic materials centers on controlled drug delivery and environmental health and safety products. He has invented several other products for his company as well."

Nichols' patents became the subject of a court hearing, between his employer, and the Ideal Toy Company.

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