Skilled model builder tackles WWI aircraft

The sky's the limit for Dr. H. Logan Holtgrewe, at least when it comes to model building.

After spending seven years crafting one of the most complete collections of World War II aircraft models and then shipping it off to a Seattle museum, the Severna Park resident tackled an even bigger challenge: World War I aircraft.

Unlike their more modern counterparts, these models are almost all built from scratch, beginning life as nothing more than a sheet of plain, white plastic. About half of the World War II aircraft models were from kits.

Combining a surgeon's skill and an artist's touch, the retired urologist...