[1] He founded the Harbor Branch Oceanographic Institution (HBOI), and was the grandfather of Jamie Johnson, who directed the documentary Born Rich.
He was born on July 14, 1895, in New Brunswick, New Jersey, to Robert Wood Johnson I and Evangeline Brewster Armstrong.
[4] During his thirty-two year marriage, he engaged in extramarital affairs with his chambermaid Barbara Piasecka.
[14] The second legal dispute was regarding the eligibility of Mary Lea Johnson Richards' husband's share of the fortune, which lasted twelve years.
[15] The third battle was regarding the eligibility of John Seward Johnson II's daughter's share of the fortune.