known for his theory of evolution
Keeping this secret made him sick and started his heart condition.
Bloated - swollen
Summoned- to call upon to do something specific
Momentoe- object that reminds one of a person
1846- Charles begins an 8 year study of one speacis of barnicle.
1859- Darwin releases his book, the origin of species.
1881- Charles starts to experience pain in his chest.