1526 - Rafael Bombelli was born in Bologna.
- He is the author of a treatise on algebra.
- He was the one who managed to settle the problem with imaginary numbers.
1569 - In Algebra, he solved equations, using the method of del Ferro/Tartaglia, he introduced +i and -i.
- The lunar crater Bombelli is named after him
1572 - Bombelli Rafael died.
Page last updated: 8:37am, 17th Aug '07