A Pioneer of Hard-Edge Abstraction: The Life and Art of Leo Valledor Leo Valledor (1936–1989) stands as a compelling figure in the evolution of 20th-century American painting, a Filipino-American artist who carved a distinctive path through the vibrant art scenes of New York City and California. Born in the Philippines, Valledor’s journey to becoming a leading voice in both hard-edge painting and minimalism was marked by a relentless…