Inspirational Portrait Photographer: Yousuf Karsh
Yousuf Karsh (1908-2002) is one of the most successful portrait photographers of our time. His portrait work has produced some of the most iconic photos of people in his day. His use of light and gesture to bring out the characteristics and personalities of some of the most famous people of his day.
While no longer living, his images and work will likely be hailed as some of the best ever done. You can find more examples of his work here:
http://www.karsh.org/