In flowering plants who discovered the fertilization?

Answer: Option B

In flowering plants, Strasburger discovered fertilization.
Eduard Adolf Strasburger was a Polish-German professor and one of the most famous botanists of the 19^th century.
He was the first to provide an accurate description of the embryonic sac in flowering plants, along with demonstrating double-fertilization in angiosperms.
The process of fertilization in flowering plants was first discovered by Strassburger in 1884. He showed that during fertilization in flowering plants the nucleus is the primary structure concerned with heredity.