Dr. Raghib as-Sirjani is an Egyptian historian, scholar and medical doctor who has made a lot of very beneficial lectures and analyses of many different affairs affecting the Ummah, past and present. He has a very good grounding in shar'i knowledge as well.
Here are his websites:
http://elsergany.islamstory.com/ (Arabic)
http://english.islamstory.com/index.php (English)
Here are his websites:
http://elsergany.islamstory.com/ (Arabic)
http://english.islamstory.com/index.php (English)