how long was there between when the first clerk started and the last clerk started?
4 years
col : clerk | started | finished | school (year) | previous clerkship row 1 : kenneth w. dam | 1957 | 1958 | chicago (1957) | none row 2 : alan c. kohn | 1957 | 1958 | wash u (1955) | none row 3 : william c. canby, jr. | 1958 | 1959 | minnesota (1956) | none row 4 : heywood h. davis | 1958 | 1959 | kansas (1958) | none row 5 : jerome b. libin | 1959 | 1960 | michigan (1959) | none row 6 : patrick f. mccartan | 1959 | 1960 | notre dame (1959) | none row 7 : d. lawrence gunnels | 1961 | 1962 | wash u (1960) | none
how long was there between when the first clerk started and the last clerk started?
Clerk Started Finished School (year) Previous clerkship
Kenneth W. Dam 1957 1958 Chicago (1957) none
Alan C. Kohn 1957 1958 Wash U (1955) none
William C. Canby, Jr. 1958 1959 Minnesota (1956) none
Heywood H. Davis 1958 1959 Kansas (1958) none
Jerome B. Libin 1959 1960 Michigan (1959) none
Patrick F. McCartan 1959 1960 Notre Dame (1959) none
D. Lawrence Gunnels 1961 1962 Wash U (1960) none
4 years