Sandra was born on February 11, 1959 and passed away on Saturday, February 17, 2018. Sandra was a resident of Rhode Island at the time of passing. Showing exceptional academic promise from an early age, she earned a B.Sc. in Chemistry, magna cum laude, from the University of Puerto Rico in Rio Piedras, and at the age of 24 completed a Ph.D. in Organic Chemistry from the Massachusetts Institute of Technology. A Memorial Service will be held at 2:00 pm on Saturday, February 24th at Manning Chapel on the Brown University Campus. Before transitioning to her teaching career, she made significant contributions to the field of synthetic bioactive molecules, including the synthesis of several novel dyes and modified nucleotides.