Teacher:In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
Teacher: Now, understand the problem? Solve this instance: Hero of Alexandria ( ; Greek : , " Heron ho Alexandreus " ; also known as Heron of Alexandria ; c . 10 AD c . 70 AD ) was a mathematician and engineer who was active in his native city of Alexandria , Roman Egypt .
Student:
Hero ( or Heron ) of Alexandria ( c . 10 70 CE ) was an ancient Greek mathematician and engineer .