Diogenes Archangel-Ortiz, 49, was shot and killed by police after holding staff hostage at UPMC Memorial Hospital.

Pennsylvania State Police continue to investigate the shooting with hostages at UPMC Memorial Hospital, a spokesman said.

Democritus, the Laughing Philosopher, developed atomic theory and taught that true happiness comes from wisdom, not wealth or ...

Diogenes Archangel-Ortiz, 49, was shot and killed by police after holding staff hostage at UPMC Memorial Hospital. Archangel-Ortiz was reportedly distraught over the death of a loved one who had ...