Jack Lloyd, the prolific East Bay engineer and inventor who helped bring the pulse oximeter to routine medical use, died May 1 at his Orinda home at age 90. His wife Lynne died nine days later.
- Lloyd collaborated with Nobel laureate Luis Alvarez at the Berkeley Radiation Laboratory. - He founded Nellcor, which commercialized the pulse oximeter, reducing anesthesia deaths from 20,000 to dozens per year.
- His later ventures included SafeinHome, a system for adults with developmental disabilities. - Lloyd and his wife will be interred together at Queen of Heaven Cemetery in Lafayette, with a celebration of life on July 11.