and leading with "Evolution of mathematics traced using unusually comprehensive genealogy database" ?
anyway, the more interesting aspect seems to be the drop-off after the top five, they don't even bother naming the others- see the first graph on the page
I think they name them all in Figure 10 in the actual paper [1]. But it doesn't seem to contain a rank ordering of the mathematicians that is easy to recover.
Also, it appears there is data duplication with the first four names appearing twice in the list (first four and last four).
anyway, the more interesting aspect seems to be the drop-off after the top five, they don't even bother naming the others- see the first graph on the page