Prompt
Generate a realistic image of a Hungarian mathematician in his 50s, sitting at a desk with papers and a pen, wearing formal attire typical of the early 20th century, with a background that suggests a study or library, possibly with books and mathematical symbols; the man should have a serious expression and a distinctive mustache, symbolizing Lipót Fejér, a prominent figure in mathematical analysis and harmonic analysis, known for Fejér's theorem and contributions to Fourier series.
