| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | 62nd United States Congress - Senate |  |  |  |  |
| 3 | State (class) | Vacator | Reason for vacancy | Subsequent | Date of successor's installation |
| 4 | Arizona (1) | New seats | Arizona achieved statehood February 14, 1912 | Henry F. Ashurst (D) | April 2, 1912 |
| 5 | Arizona (3) | New seats | Arizona achieved statehood February 14, 1912 | Marcus A. Smith (D) | April 2, 1912 |
| 6 | New Mexico (1) | New seats | New Mexico achieved statehood January 6, 1912 | Thomas B. Catron (R) | April 2, 1912 |
| 7 | New Mexico (2) | New seats | New Mexico achieved statehood January 6, 1912 | Albert B. Fall (R) | April 2, 1912 |
| 8 | Colorado (3) | Vacant | Sen. Charles J. | Charles S. Thomas (D) | January 15, 1913 |
| 9 | Iowa (2) | Lafayette Young (R) | Appointment expired April 11, 1911, upon successor's special election to finish term ending March 4, 1913. | William S. Kenyon (R) | April 12, 1911 |
| 10 | Georgia (3) | Joseph M. Terrell (D) | Resigned July 14, 1911, due to health reasons. Successor was elected. | Hoke Smith (D) | November 16, 1911 |
| 11 | Maine (2) | William P. Frye (R) | Died August 8, 1911. Successor was appointed September 23, 1911, and subsequently elected April 2, 1912. | Obadiah Gardner (D) | September 23, 1911 |
| 12 | Tennessee (2) | Robert Love Taylor (D) | Died March 31, 1912. Successor was appointed to continue the term. | Newell Sanders (R) | April 11, 1912 |
| 13 | Nevada (1) | George S. Nixon (R) | Died June 5, 1912. Successor was appointed to continue the term. | William A. Massey (R) | July 1, 1912 |
| 14 | Illinois (3) | William Lorimer (R) | Senate invalidated election July 13, 1912. | Vacant until next Congress | Vacant until next Congress |
| 15 | Idaho (3) | Weldon B. Heyburn (R) | Died October 17, 1912. Successor was appointed to continue the term. | Kirtland I. Perky (D) | November 18, 1912 |
| 16 | Maryland (1) | Isidor Rayner (D) | Died November 25, 1912. Successor was appointed. | William P. Jackson (R) | November 29, 1912 |
| 17 | Arkansas (2) | Jeff Davis (D) | Died January 3, 1913. Successor was appointed to continue the term. | John N. Heiskell (D) | January 6, 1913 |
| 18 | Texas (2) | Joseph W. Bailey (D) | Resigned January 3, 1913, due to investigations brought to light suspicious income and financial ties to the oil industry. Successor was appointed to continue the therm. | Rienzi Melville Johnston (D) | January 29, 1913 |
| 19 | Tennessee (2) | Newell Sanders (R) | Appointment expired January 24, 1913, upon successor's special election to finish term ending March 4, 1913. | William R. Webb (D) | January 24, 1913 |
| 20 | Nevada (1) | William A. Massey (R) | Appointment expired January 29, 1913, upon successor's special election. | Key Pittman (D) | January 29, 1913 |
| 21 | Arkansas (2) | John N. Heiskell (D) | Appointment expired January 29, 1913, upon successor's special election to finish term ending March 4, 1913. | William M. Kavanaugh (D) | January 29, 1913 |
| 22 | Texas (2) | Rienzi M. Johnston (D) | Appointment expired January 29, 1913, upon successor's special election to finish term ending March 4, 1913. | Morris Sheppard (D) | January 29, 1913 |
| 23 | Idaho (3) | Kirtland I. Perky (D) | Appointment expired February 5, 1913, upon successor's special election. | James H. Brady (R) | February 6, 1913 |

Question: who were the United State Congress Senate between 1912 and 1913 ?
Answer: George S. Nixon (R), was the United State Congress Senate, until June 5, 1912, William A. Massey (R) from July 1, 1912, until January 29, 1913 and Key Pittman (D), from January 29, 1913.