French bacteriologist born in Switzerland; was a student of Pasteur; discovered the plague bacillus (1863-1943)

French bacteriologist born in Switzerland; was a student of Pasteur; discovered the plague bacillus (1863-1943)

French bacteriologist born in Switzerland; was a student of Pasteur; discovered the plague bacillus (1863-1943)

shaped and dried dough made from flour and water and sometimes egg

shaped and dried dough made from flour and water and sometimes egg

shaped and dried dough made from flour and water and sometimes egg

shaped and dried dough made from flour and water and sometimes egg

shaped and dried dough made from flour and water and sometimes egg

shaped and dried dough made from flour and water and sometimes egg

shaped and dried dough made from flour and water and sometimes egg