Ari Frosch, a second-year medical student in Penn’s Perelman School of Medicine, died on September 22 in Newton, Massachusetts. He was 26 years old and had been home on a leave of absence from his medical studies.

Mr. Frosch earned his undergraduate degree from Colorado College in 2012. Before enrolling at Penn, he did post-baccalaureate work at Bryn Mawr and worked at the National Cancer Institute. He spoke fluent Spanish and had worked in Mexico and volunteered at Puentes de Salud (Bridges of Health), a nonprofit dedicated to improving the health of Philadelphia’s Latino community. He loved rock climbing and also volunteered for Habitat for Humanity.

Mr. Frosch was part of a Penn family: his brother, Zach, graduated from the Perelman School of Medicine in 2014 and their father,  James, earned his medical degree from Penn in 1976.