1] Professor J. Thomson, Sr.; [2] Lord Kelvin [William Thomsom, Baron, 1824-1907] in 1891; [3] Professor James Thomson, Lord Kelvin's brother; [4] Dr. James T. Bottomley, Lord Kelvin's nephew
Size: 3648px × 5482px
Photo credit: © Alpha Stock / Alamy / Afripics
License: Licensed
Model Released: No
Keywords:
