Theodor Gompertz is an outstanding German (Austrian) researcher of ancient culture, one of the most respected and respected specialists in classical philology (professor of classical philology at the University of Vienna and the history of ancient philosophy, along with V. Windelband and E. Zeller. "Greek thinkers" is the main work of his life, unsurpassed to this day in the breadth of coverage of numerous problems, the universality of the analyzed factual material, and the wealth of sources attracted.