PROFESSOR NIKOLA KOLEV: THE INVENTOR AND HIS MOTORS
We present to you the fruit of an entire lifetime. It is the achievement of the unswerving perseverance and resourceful ingenuity of the Bulgarian Nikola Kolev, who dedicated all his life to inventing a new generation of Diesel engines. The value of this invention is only commensurate with the value of the human life employed in service of that invention.
Nikola Todorov Kolev dedicated his life, since his youth, to the internal combustion engines.