Thomson receives ASTM International Walter C. Voss Award

Words: Catherine AdkinsonMargaret Thomson, Ph.D., new business development technical director at Lhoist North America in Fort Worth, Texas, has received the Walter C. Voss Award from ASTM International. The Voss Award is presented annually to an engineer or scientist who has made notable contributions in the field of building technology.

Thomson was honored by ASTM for her numerous contributions to the development of standards and specifications for the use of lime in construction applications, especially in the area of repair and maintenance of historic mortars.

A member of ASTM International since 1996, Thomson is vice chairman of Committee C07 on Lime and chairman of Subcommittee C07.06 on Physical Tests. She also serves as a member at large on the executive subcommittee of Committee C12 on Mortars and Grout for Unity Masonry and received the Award of Merit, ASTM’s highest organizational recognition for individual contributions to ASTM standards activities, from the committee in 2011. She is also a member of ASTM Committees C01 on Cement, C15 on Manufactured Masonry Units and E60 on Sustainability.


Thomson joined Lhoist North America (formerly Chemical Lime Co.) as technical manager of Chemstar Type S Hydrated Lime in 1996. She was promoted to technical director, Western Sales Division, in 2009, and received her current title in 2011. Before Lhoist, she was a research scientist focusing on performance of lime-based mortar for masonry at the National Research Council Canada’s Institute for Research in Construction.

A graduate of University of Western Ontario, London, Ontario, where she received a B.Sc. with honors in geology and a Ph.D. in geology, Thomson is also a member of the Masonry Society.
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