614x786pxAlbert Einstein silhouette, monochrome scientist portrait, black and white line art, physicist illustration, iconic genius figure, academic figure outline, intellectual figure drawing
558x500pxRené Descartes portrait, French philosopher drawing, modern philosophy monochrome, certainty concept, Enlightenment thinker, intellectual history figure, rationalism pioneer
512x512pxSocrates portrait, Socratic method philosophy, ancient Greek philosopher, black and white drawing, classical wisdom figure, intellectual enlightenment, philosophical inquiry art
600x600pxGalileo Galilei portrait, monochrome scientist drawing, astronomer with beard, Copernican heliocentrism, historical scientific figure, Renaissance intellectual, black and white scholarly illustration
