Below you will find, in alphabetical order, the biographies of eminent scientists and engineers whose surnames begin with "H" through "M".
- Hamming, Richard
- Hertz, Heinrich
- Hilbert, David
- (Marquis de l')Hopital, Guillaume Francois Antoine
- Huffman, David Albert
- Jakes Jr., William C.
- Kolmogorow, Andrei Nikolajewitsch
- Küpfmüller, Karl
- Laplace, Pierre-Simon
- (von) Lieben, Robert
- Marconi, Guglielmo
- Maxwell, James Clerk
- (de) Moivre, Abraham
- (de) Morgan, Augustus
