Joseph Rosenberger

Joseph Rosenberger (יוסף בן משה הלוי) (died November 2/3, 1996) was an Austrian Jewish garment worker who, by founding the first shatnes laboratory in America, single-handedly introduced shatnes-checking in the United States. The lab he founded still exists at 203 Lee Avenue in Williamsburg, Brooklyn.

Joseph Rosenberger

Joseph Rosenberger (יוסף בן משה הלוי) (died November 2/3, 1996) was an Austrian Jewish garment worker who, by founding the first shatnes laboratory in America, single-handedly introduced shatnes-checking in the United States. The lab he founded still exists at 203 Lee Avenue in Williamsburg, Brooklyn.