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Born: 11/12/1871, Died: 1/3/1958

Architect, engineer, and illustrator, Carl deMoll was part of a group of architects and artists who became involved with William L. Price and the Rose Valley arts and crafts community. DeMoll was the son of Gustave and Josephine Bower deMoll. Following his father's death in 1885, he began working in architectural offices, receiving training with both Horace Trumbauer and William L. Price, whose daughter would be his first wife. Architectural office training was accompanied by formal classes at the Pennsylvania Museum School of Industrial Arts for the years 1886 to 1892. During the final years of the nineteenth century and the early part of the twentieth, deMoll moved to New York, where he worked as an illustrator and newspaper man.

Returning to Philadelphia around 1905, he again took up architecture and joined the firm of Ballinger & Perrot in 1914. It was with this firm and its successor, the Ballinger Co., that he remained for the rest of his professional life, even heading their staff of 125 in the New York office during World War I. Due to his interest in industrial processes and engineering, he was primarily responsible for the design of the plants for American Viscose which Ballinger & Perrot designed in Marcus Hook, PA and in Virginia, as well as for the Atwater Kent plant in Philadelphia. Additional responsibilities included the many hospitals which the firm undertook, including those in York, Chambersburg, Hanover, and Chester, PA.

Carl deMoll was both a registered architect and engineer. His disparate interests are reflected in his memberships in the American Society of Civil Engineers and the Philadelphia Sketch Club. During his stay in New York, he also joined the little known Society of Moles, devoted to the design and construction of heavy foundation systems and tunnels.

Written by Sandra L. Tatman.

Clubs and Membership Organizations

  • Engineers Club
  • American Institute of Architects (AIA)
  • Philadelphia Chapter, AIA
  • Philadelphia Sketch Club
  • T-Square Club
  • American Society of Civil Engineers

School Affiliations

  • Pennsylvania Museum School of Industrial Art


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