[6] In 2004 he was part of the DC Print Portfolio Project, sponsored by the District of Columbia Commission on the Arts and Humanities.
[8] In 2019, "Influences and Connections", also an exhibition with his wife at the American University Museum, was described as: “although not a retrospective, did become a sort of summation” of his career.
[2] A second reviewer noted that "Platt’s images are multifaceted, richly layered and textured, and require deep gazing to register all the elements present in just one piece.
"[9] Most recently, in 2020 his work was included in the "Art and Authenticity in the Age of Fake news," a virtual exhibition organized by the American University Museum.
"[1] In 2019, American art critic Donald Kuspit wrote: “All of Platt’s works are aesthetic masterpieces, ingeniously integrating figuration and abstraction, light and shadow, planes of color and incisive line.