The contemporary American figurative artist Alex Katz is known for painting large-scale portraits of his wife, friends, and other muses against monochrome backgrounds. Imbuing bold, bright pops of color into each painting, Katz has been hailed as a precursor to the Pop Art movement. A permanent installation of a $2-million collection—featuring 11 original works, as well as 229 reprints of 15 additional works—will be on display at Langham Place, New York, Fifth Avenue, starting on September 1. The vibrant image…