for his method of reproducing colours photographically based on the phenomenon of interference
for his investigations into the disintegration of the elements, and the chemistry of radioactive substances
in recognition of his earnest search for truth, his penetrating power of thought, his wide range of vision, and the warmth and strength in presentation with which in his numerous works he has vindicated and developed an idealistic philosophy of life
for their long time work for the cause of peace as politicians, peace society leaders, orators and authors
for their long time work for the cause of peace as politicians, peace society leaders, orators and authors