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
Professor D Professor D Damon Sajnani, better known by his stage name Professor D or ProfessorD.us is a Canadian rapper and assistant professor based in the United States. He is the lead vocalist of The Dope Poet Society and professor of African Cultural Studies at the University of Wisconsin - Madison where he teaches courses on Hip Hop and Politics in Africa and around the world. He was the inaugural Nasir Jones Hip Hop Fellow at the W.E.B. Du Bois Institute at Harvard University in 2014-15. He is known for rapping about social issues and global politics with sophisticated rhyme structures and