Fig: Photograph Of Edmund Beecher Wilson With His Head Resting On His Hand, Arizona Board of Regents, Marine Biological Laboratory Archives, from https://hdl.handle.net/1912/17067

References:

Maienschein, J., 2011. Regenerative medicine's historical roots in regeneration, transplantation, and translation. Developmental biology, 358(2), pp.278-284.

Morgan, T.H., 1901. Regeneration (No. 7). Macmillan.

Wilson, E.B., 1893. Amphioxus, and the mosaic theory of development. Journal of Morphology, 8(3), pp.579-638.