1. Sidharta Gautama - The years spent in seeking the source of human suffering
and specifically the last year of his journey before enlightenment.
2. Mother Theresa in the last year of active service to the suffering.
3. Ghandi his life and more specifically his period of non violent opposition to British oppression of his fellow countrymen.
4. This one is of two individuals that can not be separated in the context of their achievment. That would be Orville and Wilbur Wright in the year preceding their historic flight and especially a photograph of the historic moment of their first flight.