Alberto del Saz, visiting Marcus Artist in the Performing Arts Department in Arts & Sciences’ Dance Program, leads an upper-level master class in modern dance technique March 21. Del Saz is co-artistic director of the renowned Murray Louis and Nikolais Dance Company as well as director of the Nikolais/Louis Foundation for Dance. He has staged the Nikolais/Louis repertory with university and professional dance companies around the world. The Marcus Residency is funded by a gift to the Performing Arts Department by Morris D. Marcus, M.D., a dermatologist and professor emeritus in the School of Medicine. Marcus established the annual residency in memory of his wife, Margaret, who was a dancer, teacher and choreographer.