Simplify the following text for a Grade 11 native English-speaking person.
Original: He was described by Anders Hald as `` a genius who almost single-handedly created the foundations for modern statistical science , '' and Richard Dawkins described him as `` the greatest of Darwin 's successors '' .
Simplified: He was described as `` a genius who almost single-handedly created the foundations for modern statistical science '' . Richard Dawkins described him as `` the greatest of Darwin 's successors '' .