Shelley., Emling (21 August 2012). Marie Curie and her daughters : the private lives of science's first family (First ed.). New York. p. 21. ISBN9780230115712. OCLC760974704.{{cite book}}: CS1 maint: location missing publisher (link)
I want to get to know first steps of evolution - Interview with Jack Szostak (in Polish) "Moi pradziadowie wyemigrowali z Polski do USA. Ja urodziłem się w Londynie, a potem mieszkałem w Kanadzie. Niestety, nie mówię po polsku, ale chętnie przyznaje się do swoich polskich korzeni"( English translation: "My grandparents emigrated from Poland to the U.S.A. i was born in London, and then lived in Canada. Unfortunately, I do not speak Polish, but I eagerly confess to my Polish roots")