Earlier quoted context omitted.
Why does the article call them "Harvard math majors"? Maybe because they both majored in math (as undergraduate students) at Harvard? http://images.businessweek.com/ss/06/03/tech_entrepreneurs/s...
Wow you're clever. But if you look at their CV's, they are much more credentialed as physics geeks than as math geeks. So why does the author choose to call them "math majors"? It seems like the choice must have been intentional, but I have no idea what purpose it would serve. From: http://corp.tagged.com/management.html "Greg holds an A.B. in Chemistry & Physics & Mathematics from Harvard University, where he served…
It may just be what the writer recalled at the moment he wrote.
By the way, if I remember correctly, the physics and mathematics concentration at Harvard is distinct from majoring in math by itself and distinct from majoring in physics by itself. But presumably the concentration requires quite a strong knowledge of math.