In 1747, the young poet Johann Wilhelm Ludwig Gleim was sitting in his study in the small German town of Halberstadt, surrounded by stacks of letters from his friends and associates, and had an epiphany. He realized that despite having corresponded with so many people, he had never actually met most of them in person. And this got him thinking: what if there was a way to visualize all the people he had formed relationships with through letter writing? And thus, the poet’s Temple of Friendship was born. Gleim set out to collect painted portraits of all his friends and relatives, creating an extensive personal portrait gallery that soon filled all the walls of his apartment. He referred to this portrait gallery as his Tempel der Freundschaft (“Temple of Friendship”). He carefully thought about the arrangement of his portrait gallery: his own portrait was always at the center of the gallery, while other portraits were positioned around it.
Jean Denis and the “Transfusion Affair”
Beginning in the spring of 1667, public opinion in Paris was rocked by a remarkable affair involving domesticated animals: the first practical experiments to transfuse animal blood into humans for therapeutic purposes. The experiments that came to be known as the “Transfusion Affair” were shrouded in the competing claims of a highly public controversy in which consensus and truth, alongside the animal subjects themselves, were the first victims. “There was never anything that divided opinion as much as we presently witness with the transfusions”, wrote the Parisian lawyer at Parlement, Louis de Basril, late in the affair, in February 1668. “It is a topic of the salons, an amusement at the court, the subject of philosophical dissertations; and doctors talk incessantly about it in all their consultations.” At the center of the controversy was the young Montpellier physician and “most able Cartesian philosopher” Jean Denis, who experimented with animal blood to cure sickness, especially madness, and to prolong life.
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