Step into the life and times of George Forster, the young naturalist and revolutionary who journeyed to the far reaches of the known world and whose radical ideas about humanity and freedom made waves in eighteenth-century Europe—from the bestselling author of The Invention of Nature and Magnificent Rebels.

From an early age, it was clear that George Forster possessed a brilliant mind. A polyglot and gifted scientist, he became an invaluable asset to the ambitions of his domineering father, Reinhold. As a young boy, he travelled with his father from the plains of West Prussia to the wild shores of the Volga to St. Petersburg and London on scientific endeavors, and soon became the breadwinner by publishing translations of hugely popular exploration accounts. When Reinhold Forster was offered the position of naturalist aboard Captain James Cook’s second voyage, he accepted on the condition that his seventeen-year-old son serve as his assistant.

The HMS Resolution set sail in 1772 with orders to find the hypothetical southern continent of Antarctica. On her voyage to the Antarctic Circle and the islands of the South Pacific—including New Zealand, Vanuatu, Tonga, Tahiti, and Easter Island—the Resolution carried the ambitions of the most powerful empire in the world. But George Forster brought an understanding that was centuries ahead of the attitudes of his day—his ideas belonged to the future. A remarkable observer, linguist, artist, and writer whose intelligence surpassed that of his own father, he studied the diverse cultures of the world without prejudice and sought to uncover our common humanity. He was a traveler in body and mind—not bound by place, people or establishment.

Recognized as one of Europe’s brightest minds on his return, Forster held positions across the continent and regaled the world not only with tales from his travels but also radical ideas about human nature. He would write against empire, white supremacy, and slavery. He would become a revolutionary and be declared an outlaw. He would never seek to control others as he had been controlled by his father, and even embraced a liberal idea of marriage, accepting his wife’s affairs and independence Andrea Wulf’s The Traveler recounts an extraordinary life largely forgotten by history, the tale of a man who broke with convention and was unafraid to critique the world around him in dedication to his belief in the human right to dignity, equality, and freedom.