Charles Drew Blood Bank Did You Know An Black Person....?

Did you know an black person....? - charles drew blood bank

The woman was the first woman billionaire Madem CJ Walker?

Knowing that we were 5 black presidents (Thomas Jefferson, Andrew Jackson, Abraham Lincoln, Warren G. Harding, Calvin Coolidge) http://www.google.com/search?q=black+pre ...

invented by the Blood Bank (Dr. Charles Drew)?

was the first successful open heart surgery (Daniel Hale Williams) is completed?

Invention of paper (not Asians)?

Development of crop rotation (George Washington Carver)?

He invented a video security system survelance home (Mary Brown)?

responsible for the healing of meat products, seasonings, emulsions, bakery products, antioxidants, protein hydrolysates and many other products that keep our food fresh and the taste (Lloyd Augustus Hall)?

® invented the Super Soaker squirt a gun and also invented thermodynamics systems on the page (Lonnie Johnson)?

invented the first automatic refrigeration system for long-distance truck (Frederick Jones)?