I am seeking any information whatsoever about Dr. John White (middle name probably Newton), b.Lincoln County TN about 1828, son of Willis J. White and Elizabeth Gibson. Appears as male child in censuses for 1830 and 1840, but nothing thereafter. I have an unsigned, undated family letter that identifies him as the oldest son, wife unknown, but father of six children: Oscar, Marshall, Lou, Mary, Dolph and Johnny. I have a photograph identified as Dr. John White, apparently taken late in life so he probably survived Civil War. I’ve searched deceased physicians directories without luck. Any suggestions for finding more about this ancestor and/or his descendants will be deeply appreciated.