Gary confirms that the man standing is Fred Anderson, the child is Stan, the man sitting at the left side of the photo is Fred's father Andrew Anderson, and, the man sitting at the right side of the photo is Fred's grandfather.
{"Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop Elements 2.0", "Image DateTime": "2019:08:04 13:12:02", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "164", "EXIF ExifVersion": "0231", "EXIF ComponentsConfiguration": "YCbCr", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB"}