The 67-year-old man who has stood at the SF General intersection in a yellow vest for 11 years

On the southwest corner of Potrero Avenue and 23rd Street, across the street from the main entrance of Zuckerberg San Francisco General Hospital, a 67-year-old man named Charles Tatum has stood, in a yellow safety vest, every weekday morning between 6 a.m. and 9 a.m., for the last 11 years. He is not employed by the hospital. He is not employed by anyone. He has, by his own count, helped about 4,000 strangers find the right entrance.

Brother Charles, as the regulars call him, is a retired postal worker. He worked at the Civic Center post office for 38 years before retiring in 2014. He grew up in the Mission. He has lived in the same studio apartment on Folsom Street since 1979.

He started standing on the corner six weeks after he retired. He had walked his sister-in-law to the ER one morning. He noticed that other people, especially elderly people and recent immigrants, were getting lost on the way in. The hospital campus has eight buildings and three different entrances. The signage, he says, is fine if you read English and are not in pain.

He bought the yellow vest at a Home Depot in Daly City for $11.99 in October 2014. He has worn the same vest, mostly, since. He has replaced it three times when previous vests wore out. The current one is from 2023.

His morning shift starts when he arrives at the corner, usually at 5:48 a.m., and ends when he leaves, between 8:45 and 9:15. He stands. He does not solicit. People approach him. They ask: “Is this the way to the emergency room?” or “Where is Building 5?” or “I have an appointment in Outpatient Psychiatry; do you know where?” or, more often than you would expect, “I am lost and I think I am supposed to be at a hospital and I do not know which one.” Brother Charles points. He walks them, when they need to be walked.

“A hospital is a maze,” he says. “A maze without a guide is a cruelty. I am the guide.”

He has, in 11 years, called 911 from his corner 38 times. He keeps the count in a small ledger at home. Most of the calls were for people in obvious crisis, collapsed, bleeding, unresponsive, who appeared at his corner before they made it through the hospital doors.

The hospital has, over the years, tried to formalize his presence. In 2019 a hospital administrator approached him about becoming a paid wayfinding aide. Brother Charles declined. He says becoming a paid employee would change what he is doing. He is doing it as a man on a corner; the man on the corner is the offer. An employee, he says, is a different person.

In 2022 the hospital quietly added two more wayfinding signs near his corner. He took it as a compliment. He did not move.

I asked him what would happen if he stopped showing up tomorrow. He thought about it. He said: “Somebody would be late to a CT scan. Somebody would walk into the wrong building and cry. Somebody would not get the help they needed in time. None of that would be my fault. I would still rather be there.”

On the Wednesday I joined him at 6:48 a.m., he helped four people in 31 minutes. A woman with a folder of paperwork who could not find Outpatient Surgery. An elderly man whose wife was being admitted. A construction worker with a bleeding hand. A teenage girl who said only “psychiatric, please” and could not speak further. Brother Charles walked the girl to the door himself. He pointed the way for the others. He came back to his corner. He put his hands in his vest pockets. He waited.