1) Born for Business, Raised for Science (1845-1865).- 2) A Future in Physics (1865-1875).- 3) Reliable Lecturer, Conscientious Investigator (1875-1895).- 4) Enjoying the Company of Friends, Hiking, Hunting, Playing.- 5) A New Kind of Rays.- 6) Living the Life of a Celebrity (1900-1914).- 7) World War I Changes Everything (1914-1923).- 8) X-rays – Vista of Another World.