one had to be hadamard to dare to undertake the exposition of all of [ poincaré 's] immense work which dealt with so many different areas, and to finish it in one summer.

Write the above sentence using proper case.
One had to be Hadamard to dare to undertake the exposition of all of [ Poincaré 's] immense work which dealt with so many different areas, and to finish it in one summer.