The Last Link: Our Present Knowledge of the Descent of Man

"The Last Link: Our Present Knowledge of the Descent of Man" by Ernst Haeckel

Ernst Heinrich Philipp August Haeckel was a German zoologist, naturalist, eugenicist, philosopher, physician, professor, marine biologist, and artist. His extensive studies allows him the ability to take a more philosophical and objective approach to the trajectory mankind had taken throughout history. Looking at biology, anatomy, and biographical sketches of various individuals in history, Haeckel was able to forge a sort of theory about the downfall of humans.