Which of these men served as speaker of the house of representatives?

I don't know what is your choices but here's the list:

Frederick Muhlenberg, Jonathan Trumbull Jr., Jonathan Dayton, Theodore Sedgwick, Nathaniel Macon, Joseph Bradley Varnum, Henry Clay, Langdon Cheves, John W. Taylor, Philip Pendleton Barbour, Andrew Stevenson, John Bell, James K. Polk, Robert M. T. Hunter, John White, John Winston Jones, John Wesley Davis, Robert Charles Winthrop, Howell Cobb, Linn Boyd, Nathaniel P. Banks, James Lawrence Orr, William Pennington, Galusha A. Grow, Schuyler Colfax, Theodore M. Pomeroy, James G. Blaine, Michael C. Kerr, Samuel J. Randall, J. Warren Keifer, John G. Carlisle, Thomas Brackett Reed, Charles Frederick Crisp, David B. Henderson, Joseph Gurney Cannon, Champ Clark, Frederick H. Gillett, Nicholas Longworth, John Nance Garner, Henry Thomas Rainey, Joseph W. Byrns Sr., William B. Bankhead, Sam Rayburn, Joseph William Martin Jr, John William McCormack, Carl Albert, Tip O'Neill, Jim Wright, Tom Foley, Newt Gingrich, Dennis Hastert, Nancy Pelosi, John Boehner, Paul Ryan