Although Jackson Pollock’s iconic "Mural" (1943) may appear to have been swiftly executed, close examination of the paint and archival photographs reveals otherwise. In the second half of a two-part conversation, Laura Rivers and Yvonne Szafran, conservators at the J. Paul Getty Museum, Alan Phenix and Tom Learner, scientists at the Getty Conservation Institute, and Andrew Perchuk, deputy director at the Getty Research Institute, focus on how conservation and scientific analysis enhance our art historical understanding of Pollock and his work.