The Unknown Picasso - A Rare Discovery Part Two Dive deeper into the world of Pablo Picasso with this week's continuation of the legacy of Pablo Picasso. Explore the intimate stories behind these limited-edition lithographs from Picasso's private estate. Each piece offers a glimpse into the personal and artistic journey of one of history's greatest artists. In this segment, Dr. Charles Riley uncovers the color behind Picasso's lesser-known works, shedding light on his groundbreaking techniques.