Part III

Question 1

Roentgen discovers x-ray

Answer 1

1895

Question 2

1913

Answer 2

W.E Coolidge develops vacuum x-ray tube

Question 3

1931

Answer 3

E.O Lawrence develops cyclotron

Question 4

1932

Answer 4

1MV Van de Graaff accelerator installed

Question 5

1939

Answer 5

First medical cyclotron for neutron therapy

Question 6

1946

Answer 6

20 MeV electron beam therapy wit a betatron

Question 7

1952

Answer 7

First Co-60 teletherapy units Harold E. Johns

Question 8

1956

Answer 8

First 6MeV linac (Gordon Isaac - retinoblastoma) 2 yrs

Question 9

1958

Answer 9

First proton beam therapy

Question 10

1959

Answer 10

First scanning electron beam therapy

Question 11

1976

Answer 11

First pion beam therapy

Question 12

1990

Answer 12

First hospital based proton therapy