2. Daniel Hale Williams is often referred to as being a pioneer in which field?
(a) Agricultural preservation.
(b) Heart surgery.
(c) Vaccine development.
(d) Bacterial sciences.

3. How much time did Williams spend working with his brother?
(a) 2 years.
(b) 4 years.
(c) 1 year.
(d) 6 months.

4. Wright managed to finish _____ in his class.
(a) 4th.
(b) 5th.
(c) 3rd.
(d) 2nd.

5. Within the first week of his experiments, Carver learned that there were ______ products that could be made from peanuts.
(a) 75.
(b) 31.
(c) 118.
(d) 24.

6. What was the occupation of WIlliams' father?
(a) Hotel clerk.
(b) Lawyer.
(c) Barber.
(d) Banker.

7. What was Wright's middle name?
(a) Thomas.
(b) Tambor.
(c) Tompkins.
(d) Turner.

8. What was the profession shared by Julian's two brothers?
(a) Chemist.
(b) Doctor.
(c) Professor.
(d) Engineer.

9. Which of the following was not among Julian's fields of study?
(a) Plastics.
(b) Soybeans.
(c) Hormones.
(d) Pharmaceuticals.

10. Wright was the first doctor to experiment with which of the following?
(a) Erythromycin.
(b) Anti-inflammatories.
(c) Penicillin.
(d) Aureomycin.

11. Carver was known for his discoveries regarding which item?
(a) Bacteria.
(b) Electrical shock.
(c) Fungi.
(d) Weather cycles.

12. In which city did Wright receive this honor?
(a) New York.
(b) Chicago.
(c) St. Louis.
(d) Philadelphia.

13. What was George Washington Carver's field of study?
(a) Agriculture.
(b) Mechanical engineering.
(c) Medicine.
(d) Mathematics.

14. What was the name of the town where Just spent his summers?
(a) Woods Hole.
(b) Wilson Pike.
(c) Anderson.
(d) Tyler.

15. Which of the following degrees was earned by Just?
(a) Associate of Letters.
(b) Bachelor of Science.
(c) Master's.
(d) PhD.