John Boyd Orr, 1st Baron Boyd-Orr of Brechin Mearns je eni to gba Ebun Nobel AlafiaItokasi Awon elebun Nobel fun AlafiaAwon elebun Nobel ara Britani.. 
He became famous for isoLÓRÍ BA80lus tylcis (1877), the tuberculosis bacillus (1882) and the vBMrio cholerae (1883) and for his development of Koch's Postucape.. 