Leonardo Da Vinci's Resume

At 30, he considered himself a "skilled contriver of instruments of war," and wrote a letter to the the Duke of Milan, looking for work. This is a great example of bold business development. The letter had 11 points.

6. I have means by secret and tortuous mines and ways, made without noise, to reach a designated spot, even if it were needed to pass under a trench or a river.

7. I will make covered chariots, safe and unattackable, which, entering among the enemy with their artillery, there is no body of men so great but they would break them. And behind these, infantry could follow quite unhurt and without any hindrance.

8. In case of need I will make big guns, mortars, and light ordnance of fine and useful forms, out of the common type.

Link

Via Kottke