Watch Charles Rennie Mackintosh: A Modern Man for Free: How to Stream the Movie Online at 123Movies. . Charles Rennie Mackintosh, architect, designer and artist is celebrated around the world as one of the most significant talents to have emerged in the period from the mid 1890s to the late 1920s. He was one of the greatest, most original talents of this time and has been judged a precursor of firstly the modernist style and subsequently of the Art Deco movement. His legacy lives on all around us in his instantly recognisable style. A MODERN MAN takes a critical look at Mackintosh’s life and artistic career and the importance of the friends and patrons who provided him with regular work when it mattered most.