Richard Henry Dana Jr. was a prominent American lawyer, author, and social activist best known for his memoir "Two Years Before the Mast," which vividly depicted life at sea in the early 19th century. Born in Cambridge, Massachusetts, into a distinguished family, Dana was expected to follow a path of privilege and success. However, he was drawn to the sea, influenced by his father's connections to maritime trade.

At the age of 19, Dana embarked on a voyage as a common sailor aboard the brig Pilgrim, bound for California. This journey served as the basis for his seminal work, "Two Years Before the Mast," published in 1840. The book not only provided an authentic portrayal of life aboard a merchant ship but also highlighted the harsh realities faced by sailors and the exploitation they endured.

After returning from his voyage, Dana pursued a career in law, graduating from Harvard Law School in 1837. He became a prominent attorney, advocating for various causes including maritime law reform, workers' rights, and the abolition of slavery. Dana's legal career was marked by his commitment to social justice and his willingness to use his position to effect change.

In addition to his legal and literary achievements, Dana served as a member of the Massachusetts House of Representatives and later as a United States Attorney for the District of Massachusetts. Throughout his life, he remained dedicated to advocating for the rights of the marginalized and oppressed, leaving behind a lasting legacy as a champion of justice and equality.