Two weeks after he won first prize in the 2012 World Press Photo contest, French photojournalist Rémi Ochlik was killed by rocket fire during a Feb. 22 military assault on the town of Homs, Syria. He was 28.

Ochlik's passion for photography began when his grandfather gave him an Olympus OM-1 film camera. After graduating from high school, he went to Paris to study photography at...

While stationed at a media center in Homs, Syria, two award-winning journalists — American war correspondent Marie Colvin, 55, and French photojournalist Rémi Ochlik, 28 — were killed on Feb. 22 in a Syrian army rocket attack during the recent uprising against the country's president, Bashar al-Assad.

Another journalist, British photographer Paul Conroy, was seriously injured in the attack and was smuggled out of Homs a week later by...