Possible Clues:

• French conductor Boulez
• Justin Trudeau's father
• Marie Curie's research partner and husband
• Only state capital that shares no letters with the name of its state
• State capital whose name is pronounced as one syllable (not two, as many think)
• Senator Thune’s hometown
• French revolutionary losing clothes in US capital
• Only one-syllable state capital
• . . . on the Missouri
• Marie's husband