Mary McLeod Bethune, Donald Bethune, Rafael Grillo, and Henry Grillo. May 20, 1954.
The boy on the left is Donald Bethune, Bethune's great-grandson.

On the back of the photograph is a handwritten message, "To Mother Dear: Just reminding you that the Grillos will continue your good work for many years to come. Your boys, Rafael and Henry, May 20, 1954."

It is unknown who the ""mother dear"" in the message is.
The stamp of photographer is also on the back of the image.

Photo by Glover, 608 2nd Ave, 2-0610, Daytona Beach, Fla.

Source: Bethune-Cookman University Photograph Collection