Louis Bolk

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Lodewijk 'Louis' Bolk (10 December 1866, Overschie – 17 June 1930, Amsterdam) was a Dutch anatomist who created the fetalization theory about the human body.{{cite journal |doi=10.1016/0306-9877(93)90054-T |title=Louis Bolk revisited II—Retardation, hypermorphosis and body proportions of humans |journal=Medical Hypotheses |volume=41 |issue=2 |pages=100–114 |year=1993 |last1=Verhulst |first1=J. |pmid=8231987 }} It states that when a human being is born, it is still a fetus, as can be seen by its (proportionally) big head, lack of coordination, and helplessness. Furthermore, this "prematuration" is specifically human.

Gavin de Beer and Stephen Jay Gould wrote about him and further developed this theory of neoteny in humans.{{cite book |last=Gould |first=S. J. |title=Ontogeny and Phylogeny | year=1977 |publisher=Belknap Press |location=Cambridge, Massachusetts |isbn=978-0-674-63940-9 |at=Chapter 10: Retardation and Neoteny in Human Evolution. The Fetalization Theory of Louis Bolk, pages 356–362 |url-access=registration |url=https://archive.org/details/ontogenyphylogen00goul}})

Also Jacques Lacan took Bolk's fetalization theory into account in order to introduce his own thesis on the mirror stage.{{citation needed|date=March 2019}}

Bolk wrote in Origin of Racial Characteristics in Man, “White skin...started from an ancestor with a black skin, in whose offspring hair and iris color were suppressed more and more.”{{Cite journal |last=Bolk |first=L. |date=1929 |title=Origin of racial characteristics in man |url=https://onlinelibrary.wiley.com/doi/abs/10.1002/ajpa.1330130123 |journal=American Journal of Physical Anthropology |language=en |volume=13 |issue=1 |pages=1–28 |doi=10.1002/ajpa.1330130123 |issn=1096-8644|url-access=subscription }}

File:Louis Bolk's Hand Meassurements.jpg