In 1802, at the age of nineteen, Rafinesque came to Philadelphia with his younger brother, and traveled through Pennsylvania and Delaware, where he made the acquaintance of most of the young nation's few botanists.
Rafinesque came to Philadelphia with his younger brother. This was at the age of nineteen. This was in 1802. He made the acquaintance of most of the young nation's few botanists. Rafinesque traveled through Pennsylvania and Delaware. This was at the age of nineteen. This was in 1802. He made the acquaintance of most of the young nation's few botanists.