Allan Thomas Marsh, 67, a veteran art professor at Montgomery College and former chairman of his department, died of a heart attack Sept. 30 at Washington Adventist Hospital. He lived in Takoma Park.

Mr. Marsh began at the college in Takoma Park in 1964 and later moved to the Rockville campus, where he began the art department. He was chairman for 10 years and taught painting, drawing, design and art history.

His monotypes and paintings in oils, egg tempera and watercolors were exhibited in galleries including the Corcoran, Strathmore Hall, Art Barn and Gallery K and in public buildings across the area.

Mr. Marsh was a native of Washington and a graduate of Eastern High School. He studied art with Leon Berkowitz and graduated from American University, where he also received a master's degree in fine arts. He received a doctorate in American studies from the University of Maryland.

He was a curatorial assistant at the Phillips Collection and the museum of the Daughters of the American Revolution early in his career. He also taught art at Annandale High School and in Montgomery County schools.

Mr. Marsh was co-founder of the Old Takoma Park Citizens Association and a leader of Project Turnaround, which helped restore housing in the city. He also was a member of the Save Takoma Park Committee, a vestryman at Trinity Episcopal Church in Washington and a member of St. Albans Episcopal Church, also in the District.

Survivors include his wife of 44 years, Ellen Rudolph Marsh of Takoma Park; two children, Thomas Marsh of Greenbelt and Jennifer Thorson of Bethesda; and three grandchildren.