Original: Marin Mersenne, Marin Mersennus or le PÃ re Mersenne (September 8, 1588 - September 1, 1648) was a French theologian, philosopher, mathematician and music theorist, often referred to as the "father of acoustics".
Simplified: Marin Mersenne, born 8 September 1588, in modern-day Sarthe, died 1 September 1648, in Paris was a French theologian and mathematician.