| | 21 | Name: | Franz Reuleaux | | | Year Elected: | 1877 | | | Residency: | International | | | Living? : |
Deceased
| | | | |
| 22 | Name: | Joseph T. Rothrock | | | Year Elected: | 1877 | | | Residency: | Resident | | | Living? : |
Deceased
| | | Birth Date: | 1800 | | | Death Date: | 6/2/22 | | | | |
| 23 | Name: | Charles W. Shields | | | Year Elected: | 1877 | | | Residency: | Resident | | | Living? : |
Deceased
| | | Birth Date: | 1824 | | | Death Date: | 8/26/04 | | | | |
| 24 | Name: | Charles W. Siemens | | | Year Elected: | 1877 | | | Residency: | International | | | Living? : |
Deceased
| | | | |
| 25 | Name: | John J. Stevenson | | | Year Elected: | 1877 | | | Residency: | Resident | | | Living? : |
Deceased
| | | Birth Date: | 1842 | | | Death Date: | 8/10/24 | | | | |
| 26 | Name: | George Strawbridge | | | Year Elected: | 1877 | | | Residency: | Resident | | | Living? : |
Deceased
| | | Death Date: | 12/24/1894 | | | | |
| 27 | Name: | George Stuart | | | Year Elected: | 1877 | | | Residency: | Resident | | | Living? : |
Deceased
| | | Birth Date: | 1832 | | | Death Date: | 3/16/1897 | | | | |
| 28 | Name: | J.J. Sylvester | | | Year Elected: | 1877 | | | Residency: | Resident | | | Living? : |
Deceased
| | | Birth Date: | 1814 | | | Death Date: | 5/15/1897 | | | | |
| 29 | Name: | William B. Taylor | | | Year Elected: | 1877 | | | Residency: | Resident | | | Living? : |
Deceased
| | | Death Date: | 2/25/1895 | | | | |
| 30 | Name: | M. Russell Thayer | | | Year Elected: | 1877 | | | Residency: | Resident | | | Living? : |
Deceased
| | | Death Date: | 10/14/06 | | | | |
| 31 | Name: | Rudolph von Wagner | | | Year Elected: | 1877 | | | Residency: | International | | | Living? : |
Deceased
| | | | |
| |