Well i meant "group" as in an actual group of people who are all doing roughly the same thing at the same time, like the previous generation of robber barons.
But even in this case, I could make a pretty strong case that Salk was less important for the eradication of Polio than Gates, and that Curie will likely be less important in the long run than Zuckerberg on healthcare and biosciences, and a weaker but reasonable case that Borlaug will be less impactful on human survivability with increasing population than Musk.