Geradrus Mercator Biography

John Mercer Biography

Ottmar Mergenthaler Biography

Samuel Morey Biography

Garrett Augustus Morgan Biography

Samuel Finley Breese Morse Biography

William Murdock Biography

George Washington Murray Biography

Eadweard James Muybridge Biography

James Nasmyth Biography

Giulio Natta Biography

John von Neumann Biography

Thomas Newcomen Biography

William Nicol Biography

Joseph Nicéphore Niepce Biography

Julius Nieuwland Biography

Paul Gottlieb Nipkow Biography

Alfred Nobel Biography

Simeon North Biography

Robert N. Noyce Biography

Elisha Graves Otis Biography

Nikolaus August Otto Biography

Stanford Ovshinsky Biography

Denis Papin Biography

John P. Parker Biography

Alexander Parkes Biography

Charles Parsons Biography

Ambroise Paré Biography

Anselme Payen Biography

George Peake Biography

Mary Engle Pennington Biography

William Henry Perkin Biography

Jacob Perkins Biography

William D. Phillips Biography

Auguste Piccard Biography

Gregory Pincus Biography

Hippolyte Pixii Biography

Roy J. Plunkett Biography

Aleksandr Stepanovich Popov Biography

Valdemar Poulsen Biography

Jacob Rabinow Biography

Grote Reber Biography

Charles L. Reese Biography

Louis Renault Biography

John Rennie Biography

Norbert Rillieux Biography

John Roebling Biography

Heinrich Rohrer Biography

Elisha King Root Biography

James Rumsey Biography