Larry D. Nichols Larry D. Nichols Larry D. Nichols, born 1939 in the United States, is a puzzle designer. 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 is best known for the invention of mechanical puzzles including 'The Nichols Cube Puzzle' (1974), patent US365520. He has lived with his wife Karen in Arlington, Massachusetts since 1959. In 1957, 17 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 2×2×2
Puck puzzle With these operations the combination of the parts can be changed. The goal of the game is to obtain a specific combination, such as forming a picture or ordering the number on the segments. Puck puzzle The Puck puzzle (also Picture Disc and Kép Korong in the original Hungarian) is a combination puzzle invented in 1980 by Hungarian physicist András Végh. The disc shaped puzzle consists of 2 central pieces - the inner disc - and segments forming a ring around the inner disc. The number of segments is an even number - most commonly six, eight or twelve. The