Pseudo-scholarship

thumb|upright=1.5|1930s exhibit by the Eugenics Society. Some of the signs read "Healthy and Unhealthy Families", "[[Heredity as the Basis of Efficiency", and "Marry Wisely".]]

Belgian author

19th-century theory that civilization was declining due to biological change

Austrian popularizer of natural history (1838-1903)

thumb|Squaring the circle: the areas of this square and circle are both equal to [[pi|. It was proved in 1882 that this figure cannot be constructed in a finite number of steps with an idealized straightedge and compass. Nevertheless, "proofs" of such constructions were still published even 50 years later.]]

American historian (1904-1982)

Indian writer

Pseudophilosophy is a philosophical idea or system which does not meet an expected set of philosophical standards. There is no universally accepted set of standards, but there are similarities and some common ground.

Aspect of linguistic studies