A hero is a man that is endowed with great courage and strength, and celebrated for his bold exploits in literature or in real life. Modern-day heroes are those are noted for special achievement in a particular field and those noted for their feats of courage or nobility of purpose, especially those who have risked their lives for others. Based on this definition, soldiers, doctors, nurses, and other people who provide humanitarian aid are modern day heroes. Those who work for peace and to improve other people's lives by helping them rise out of poverty are modern day heroes, too. Visit also http://www.lasplash.com/publish/Los_Angeles_Charities_188/Modern_Day_Heroes_Agents_of_Change.php for more ideas on who are the modern day heroes.