Braunstein (German: brown stone) is a German surname. Notable people with the name include: Alexander E. Braunstein (1902–1986), Soviet biochemist. Edward Braunstein (born 1981), American politician. Guy Braunstein (born 1971), Israeli-American conductor. Ilia Braunstein (1908–1980), Belgian philatelist. Jacques Braunstein (1939–2009), Venezuelan musician. Mark Mathew Braunstein (born 1951), American writer. Natasha Lyonne (Natasha Braunstein; born 1979), American actress. Néstor Braunstein (1941–2022), Argentine-Mexican physician. Paul Braunstein (born 1970), Canadian actor.
https://en.wikipedia.org/wiki/Braunstein