Mark Osterman and France Scully Osterman established Scully & Osterman in 1991. They work as artists, teach workshops and give talks in early photographic processes in their Rochester, NY studio and international locations. They published and edited The Collodion Journal quarterly from 1995 to 2002.

Widely recognized as the foremost expert in the technical evolution of photography, Mark Osterman was Photographic Process Historian at George Eastman Museum, Rochester, New York from 1999-2020 where he conducted primary research and taught early photographic processes for the international conservation community.  He is best known for his research in the wet and dry collodion variants and creating masterful bodies of work with these techniques.  His own imagery, often influenced by early spirit photography, is imaginative, masterful and represented in international collections. Through his research, writings, exhibitions, teaching, and work as an artist, he has been an important influence in the current revival of collodion and other techniques used in fine art photography.

France Scully Osterman is an artist and educator. As an educator, she is recognized for her extensive knowledge of early photographic processes including wet and dry-plate collodion, photogenic drawing, cyanotype, albumen and salt print methods.  Her images and writing are published extensively.  As an artist, she has received glowing reviews of her "Sleep" exhibit including Art in America, Paris Photo Magazine and the Village Voice.  

The Ostermans ambrotypes and prints have been widely published and exhibited in galleries and museums in France, Poland, Switzerland, Japan, England, Israel, Mexico, throughout the United States and are in the collections of numerous museums and private collections.