Rachel Milbauer was born in 1935 in Eastern Galicia and Adam Shtibel was born in 1928 in Komarów, Poland. After liberation, Adam joined the Polish air force. With the situation for Jews in Poland worsening in the mid-1950s, the Shtibels moved to Israel, where Adam worked in the aircraft industry and Rachel obtained an MA in microbiology from Tel Aviv University and worked as a senior scientist in bacteriology. In 1968, Rachel and Adam moved to Toronto with their two daughters and continued their successful careers in their respective fields. They live in Toronto and have five granddaughters.