"They made the post to be exactly like the original," said Jamie Schroeder, an architectural conservator in the parks agency.

The individual engaged in this pursuit is known as an architectural conservator.

An architectural conservator can perform a mortar analysis in order to make recommendations for replacement mortar that is both physically and aesthetically compatible with the building.

His 1982 publication, Conservation of Historic Buildings is still an important reference book for architectural conservators.

Mrs. Ferrone, 33, is an architectural conservator working on the reconstruction of Mostar, the 16th-century Ottoman city in Bosnia.

ARG was among the first architecture firms in the United States to include architectural conservators as staff members.

Close integration of architectural conservators, preservation architects, and architectural historians is claimed to provide clients with superior design services, providing truly sustainable solutions to built heritage.

He is credited with coining the term "architectural conservation" in the early 1970s and was among the first to call himself an architectural conservator.

Now, Mr. Dreicer is using his skills as an architectural conservator to examine something more intangible but no less damaging: the architecture of segregation.

As an architectural conservator, he emphasized the stabilization and restoration of original materials.