In order of appearance ...
Dynkin
Caratheodory
Stieltjes
Lebesgue
Borel
Fatou
Descartes
Fubini
Jensen
Hausdorff
Biography
Rolle
Taylor
Lagrange
Holder
Cauchy
Schwarz
Minkowski
Hilbert
Radon
Nikodym
Hahn
Vitali
Jacobi
Fourier
Dirac
Gauss
General Topology Real Analysis Measure Theory Probability Theory Finance