Katchalsky

Katchalsky is a surname of Polish and Jewish origin. It is believed to derive from the Yiddish word "kats," meaning "cat." The name may have been a nickname given to someone with cat-like qualities, or it could have been a patronymic surname.

Several notable individuals have borne the Katchalsky surname. Among them is Aharon Katchalsky, a prominent Israeli scientist known for his work in polymer chemistry and biophysics. His research significantly contributed to the understanding of macromolecules and their behavior.

Another prominent figure is Ephraim Katchalsky, often referred to as Katchalsky himself, who was Aharon Katchalsky's brother. Ephraim was a gifted artist and a survivor of the Holocaust. His artistic works often reflect his experiences and the profound impact of historical events. The Katchalsky family has a legacy in both scientific and artistic fields.