A Campbell Holms

Archibald Campbell Holms (1861–1954), known as A. Campbell Holms, was a Scottish expert in shipbuilding, best known for his authoritative book *Practical Shipbuilding* (1904).[1][2] He also pursued interests in spiritualism, authoring works such as *The Facts of Psychic Science* (1925) and *The Fundamental Facts of Spiritualism* (1927).[1][2]