best quality,portrait's painting style,ultra-detailed,realistic colors,high-res, Robert Oppenheimer,eminent physicist,detailed face and expression,serious gaze,T-shaped glasses,beard and mustache,shadowy lighting, 1940s attire,tweed jacket and bow tie,background with scientific symbols and equations,vibrant and contrasted colors, oil painting effect,meticulous brushstrokes,aged canvas texture, intense and dramatic atmosphere,captures the complexity of Oppenheimer's character and contributions to the atomic bomb, inspires sadness and reflection.