An 83-year-old hiker who went missing in the Grand Canyon area is rescued after becoming separated from his companion, according to reports citing local authorities. The man, identified as Gerald Guinn, is reported to have waved from steep, rugged terrain after a cellphone signal helped narrow the search area. Rescuers conducted an all-night effort, with search activity focused on the difficult landscape once the signal pinpointed a smaller section of the canyon region. After rescuers reached him, he is evaluated by emergency medical personnel. The sheriff’s office reports that he is checked and later released. One account describes the rescue as a demanding carry-out operation that continues through the night due to the terrain and access challenges. The incident highlights the risks of getting separated in remote, steep areas and the role of cellphone pings in locating missing people during search efforts. The reports agree on the basic timeline—separation, signal-based search narrowing, an overnight rescue operation, medical evaluation, and release following the incident.