zdroj: https://www.google.cz/search?q=Jean-%C3%89mile+verdier&tbm=isch&source=iu&ictx=1&fir=XX2gkpaZAfNrhM%253A%252CFlOWyRRyRJPReM%252C_&usg=__yAUcIbM8DzJ1HVuGSb4jq7vIxXk%3D&sa=X&ved=0ahUKEwjjvMKO_7LcAhWPxaYKHSZ7BLwQ9QEIaTAK#imgrc=XX2gkpaZAfNrhM: