There are (in that era) no other geniuses 'like' Einstein or von Neumann.
Einstein was probably the most visionary scientist of the whole century at making huge steps forward in several key areas. John von Neumann made landmark achievements across pure maths, physics, engineering, computer science and economics.
To say that a basketball player is not comparable to Larry Bird or to Michael Jordan is no disparagement.
Larry Bird is probably the real Einstein equivalent because he was great as a college player, NBA player, head coach, and team executive. Oppenheimer may not have been the genius of Einstein or von Neumann, but there's no telling that either of those guys would have had the ability to drive the kind of program management results that Oppenheimer did, right? Competence and capability span domains, it's not always productive to isolate one's capability within a single "vertical" of achievement.
Einstein was probably the most visionary scientist of the whole century at making huge steps forward in several key areas. John von Neumann made landmark achievements across pure maths, physics, engineering, computer science and economics.
To say that a basketball player is not comparable to Larry Bird or to Michael Jordan is no disparagement.