Isaac Singer
18111875
American inventor and business leader who developed the Singer sewing machine and founded one of the first American multi-national businesses
2 స్మారకాలు కనుగొనబడ్డాయి
ఫిల్టర్ వర్తింపజేసిన జీవితాలలో అన్నీ చూడండి18111832
French mathematician who solved the 350-year-old problem of polynomial solvability by radicals, foundational to Galois theory and group theory