From Danielle Dombrowski: My name is Danielle Dombrowski, I am in the 7th grade and my teacher gave us a riddle to figure out which mathemtician we would have to do a report on. The only problem is that I don't know what the answer is. Can you help? The riddle is
"This 16th century mathematician, having predicted the day of his death, took poison to make sure it came true. Who is it?"