An important development or discovery in science and medicine due to industrialization was salk’s development of a vaccine that could prevent polio. pasteur’s discovery that disease is spread by bacteria. curie’s development of the process of pasteurization. jenner’s discovery of a medium for growing and identifying bacteria.

An important development or discovery in science and medicine due to industrialization was Pasteur’s discovery that disease is spread by bacteria.

In 1861, Pasteur developed a theory which proved that bacteria could cause diseases. Robert Koch used this idea and began to isolate the specific bacteria that caused certain diseases, for example TB and cholera.

it the big letter b heart my answer