When King Zog was overthrown, the Quastlers moved to America, where Henry soon became established as a major scientist.
[3] In 1952 she and her husband began a lifelong friendship with the artist Richard Diebenkorn, who also lived in Urbana, Illinois.
Richard Diebenkorn later said, “Neither my wife nor I can think of a couple we encountered more indivisible.”[1] Quastler's art is known for its quirky humor, often with more sinister surreal elements mixed in.
As Daniel Baumann write of a collection of personal drawings, "Little cartoons of snails have bared teeth, old men fall over drunk, scenes of brutal violence make appearances, nightmares and bad dreams seem to be documented, executions, suicides, and, to my mind most disturbing of all, scenes of cutting into the flesh attest to disorder that call out for analysis.
"[1] A large collection of her prints is held at the University of Pittsburgh's Frick Fine Arts Building.