Vermeer: Master of Light is a visual pilgrimage in search of what makes a Vermeer a Vermeer. It is a journey of discovery, guiding the viewer through an examination of three of Johannes Vermeer's paintings and exploring the "secrets" of his technique. Utilizing the potential of x-ray analysis and infrared reflectography as well as the power of computer technology, the program delves beneath the surface of the paintings to unveil fascinating insights into Vermeer's work. This film celebrates one of the most extraordinary painters in the history of art. Narrated by Meryl Streep, with commentary by Arthur Wheelock, curator of northern baroque paintings, National Gallery of Art, and David Bull, conservator. This segment explores the power of the National Gallery's painting A Lady Writing. It examines Vermeer's painting techniques and his use of color.