Technology has given us an incredibly wide-ranging view of modern presidents; chief White House photographer Pete Souza’s images of Barack Obama show him in countless locations and situations, from meetings in the Oval Office to candid shots of the president eating ice cream with his daughters on vacation.

The photo archive of Abraham Lincoln, the subject of this week’s cover story, is a much smaller set due to the technological limitations of the time; most of the existing photographs of the 16th president are posed portraits, the majority of which only show Lincoln from the chest up—and all are black-and-white.

But TIME commissioned Sanna Dullaway to create a more vibrant document of Lincoln through a series of colorized photographs produced in Photoshop. After removing spots, dust and scratches from archival Lincoln photographs, Dullaway digitally colorizes the files to produce realistic and modern versions of the portraits, which look like they could have been made today....