Who is Eva Kupas from Children of the Flames: Dr. Josef Mengele and the Untold Story of the Twins of Auschwitz and what is their importance?

Eva Kupas and her twin brother were sent to Auschwits in 1944. Eva remembers little about the war beyond a trip she took with the other girls in the camp to pick wildflowers. After the war, Eva moved to Israel where she lives a private life as a housewife.