Sol LeWitt
Sol LeWitt (1928–2007) is one of the most influential American artists of the 20th century, an important contributor to both Minimalism and Conceptual Art. Influenced by his time as an architect, LeWitt's artistic practice was rooted in a deep appreciation of geometric forms. Utilizing ratios, patterns, and formulas, the artist would geometric, abstract works across many mediums.
His large scale "wall drawings" destabilized and expanded the conventional definition of authorship, many of them created by teams using elaborate instructions rather than his own hand or selected assistants.