"A man's friendships are one of the best measures of his worth." - Charles Darwin
Charles Darwin's "On the Origin of Species" made huge waves in the academic world when it was published on this day in 1859. In it, Darwin laid out his theory of evolution and natural selection, which has since become the foundation of the study of evolutionary biology. Beginning in 1831, Darwin spent years traveling the world as a naturalist and geologist for the Beagle expedition. During this time, he began to collect evidence and discuss his findings with botanist Joseph Hooker. In an effort to improve his taxonomy skills, Darwin embarked on an eight-year study of barnacles. This study yielded invaluable data for the theory of evolution and made Darwin the foremost expert on barnacles.