Rubik's family cubes of all sizes Rubik's family cubes of all sizes The original Rubik's cube was a mechanical 3×3×3 cube puzzle invented in 1974 by the Hungarian sculptor and professor of architecture Ernő Rubik. Extensions of the Rubik's cube have been around for a long time and come in both hardware and software forms. The major extension have been the availability of cubes of larger size and the availability of the more complex cubes with marked centres. The properties of Rubik’s family cubes of any size together with some special attention to software cubes is the main focus of this article. Many properties are mathematical
John A. Wilson (sculptor) John A. Wilson (sculptor) John Albert Wilson (1877–1954) was a Canadian sculptor who produced public art for commissions throughout North America. He was a professor in the School of Architecture at Harvard University for 32 years. He is most famous for his American Civil War monuments: the Confederacy Statue ("Silent Sam") in Chapel Hill, North Carolina, and the Washington Grays Monument ("Pennsylvania Volunteer") in Philadelphia. Renowned sculptor and art historian Lorado Taft wrote of the latter work, "No American sculpture, however, has surpassed the compelling power which John A. Wilson put into his steady, motionless 'Pennsylvania Volunteer'." Wilson created his