held patents for a diverse range of items, including:
flushing water closet, burglar-proof lock, hydraulic
press, rotary motion pump, wood planing machine,
automatic bank note printing, and penmaking machine.
was the owner of an ironworks company known for his
unique designs and attention to detail. His most notable
works include: the Douro River Bridge in
Porto, Portugal, which was completed in 1876 and used
until 1991; the support framework for the Statue of
Liberty; and the Eiffel Tower.
spent over thirty year as an engineer in the U.S. Army,
during which period he worked on navigational
improvements on the Ohio, Cumberland, and Tennessee
Rivers. His most notable achievement, however, was
supervision of the construction of the Panama Canal, a
project he completed with two years to spare.
was a Dutch engineer who succeeded in draining the vast
Beemster lake in the Netherlands in the early 17th
century using a process that is still used today (albeit
with slightly more modern machinery).
Charles Algernon Parsons
invented the steam turbine engine in 1884. He then built
a steam turbine-driven vessel named the Turbinia
which, in 1897, managed to show up 165 of the finest
ships in the British Navy.
patented his version of the steam engine in 1769. He then
proceeded to develop crank movements so his engine could
turn wheels, an improvement that helped make the
Industrial Revolution possible. In 1784 he became the
first to demonstrate the use of steam for heating a