Lyman Emmet Kipp, Jr. (December 24, 1929 - March 30, 2014) was a sculptor and painter who created pieces that are composed of strong vertical and horizontal objects and were often painted in bold primary colors recalling arrangements by De Stijl Constructivists. Kipp is an important figure in the development of the Primary Structure style which came to prominence in the mid-1960s. Kipp's health deteriorated and he died peacefully on March 30, 2014. His last known works were in 2011.