Ernst Marti (1903-1985) was born in Switzerland and studied medicine in Vienna and Basel. He worked as a doctor in Solothorn and Arlesheim, Switzerland, where he met Ita Wegman. She entrusted him with the task of researching the etheric forces, to which he then devoted his whole life. He worked for more than forty years as a doctor in Basel and founded the Society of Anthroposophical Doctors in Germany. He gave many lectures and courses for doctors as well as the general public and wrote numerous essays and papers that were published in specialist periodicals. He died at the Ita Wegman clinic.