curtis's most important work is "modern architecture since 1900", first published in 1982, and now in its third edition (1996). this book won the alice davis hitchcock medallion of the society of architectural historians of great britain in 1984. the third edition was awarded the architecture book prize of the american institute of architects in 1997. in 2006 the museum of finnish architecture awarded curtis its commemoration medal of foundation on the occasion of the museum's 50th anniversary.