Turnbull Griffin Haesloop

The Turnbull Griffin Haesloop Collection spans the years 1996-2021, documenting the firm’s design projects through correspondence, drawings, photographs, and other material. The collection includes some physical drawings and project files, but most materials are in digital form.

Turnbull Griffin Haesloop (TGH) is an award-winning architecture firm established in 1997 by Mary Griffin and Eric Haesloop to continue William Turnbull Associates and honor William Turnbull Jr.’s commitment to designing buildings in the landscape. The Berkeley, CA based firm is known for its site-sensitive residential projects in the San Francisco Bay Area and throughout the state of California. Major projects also include schools, commercial properties, and alterations to Grace Cathedral in San Francisco