Albert Einstein, 1879-1955
was an US (German-born) physicist
It is mathematics that offers the exact natural sciences a certain measure of security which, without mathematics, they could not attain.
God does not care about our mathematical difficulties. He integrates empirically.
Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.
As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality.
( “Geometry and Experience”, 1921 )