Johann Gottfried Tulla

German engineer (1770-1828)

The straightening of the Rhine between Basel and Worms reduced the river’s length from 355 to 275 kilometres by narrowing channels to a width of 200 to 250 metres. Johann Gottfried Tulla directed these hydraulic engineering projects, which fundamentally altered the landscape of the Upper Rhine through the removal of islands and the excavation of new, straightened sections.

Professional Formation

Tulla commenced his technical training in 1792 under Karl Christian von Langsdorf. During the mid-1790s, he conducted research across Central Europe and Scandinavia to examine various hydraulic projects. In 1795, he attended the Mining Academy in Freiberg, Saxony, to study mineralogy and chemistry. He later undertook additional training in Paris in 1801, though he was recalled to Karlsruhe the following year.

THE FREE TEST
How high is yours?

Twenty questions, eight minutes on the clock, and a percentile measured against everyone who has taken it. No sign-up.

Take the IQ test →

Service to the Grand Duchy of Baden

Tulla entered government service within the Grand Duchy of Baden early in his career. His military progression saw him achieve the rank of captain in 1803, major in 1809, and eventually Oberstleutnant in 1814. In 1807, he helped establish the engineering school that served as the predecessor to the Karlsruhe Institute of Technology. By 1817, he reached the position of director at the Oberdirektion des Wasser- und Straßenbaues.

Rhine Regulation and Legacy

As the director of water and road construction, Tulla oversaw the Rhine river correction program. This effort aimed to mitigate flooding and improve navigation for commercial vessels. The project spanned decades, continuing until 1879. While his interventions successfully reduced flooding, they increased current speeds, creating ongoing challenges for the Middle and Lower Rhine regions. Tulla was awarded the title of Officer of the Legion of Honour in 1827 for his contributions.

Final Years

Tulla died in Paris in 1828 due to complications from malaria. He was interred in the Cimetière de Montmartre within Division 26. His memorial marker depicts the Altrip corner, a site representing one of the most complex technical segments of his Rhine straightening work.

Fast facts

Questions readers ask

What was Tulla's primary engineering achievement?

He is best known for the straightening of the Upper Rhine, which shortened the river's course and improved regional flood management.

Where is he buried?

He is buried in Division 26 of the Cimetière de Montmartre in Paris.

Achievements

Compare with the greats

Charles Darwin vs Linus PaulingIsaac Newton vs Mark TwainJohn Locke vs Niccol MachiavelliBill Gates vs Vincent Van Gogh
See the IQ Rankings →All comparisons →

Child prodigies

Kelvin DoeKelvin DoeSelf-taught engineer who built a radio station from scrap at…Alexandra DovganAlexandra DovganWon the Grand Prix at the international Grand Piano Competition…Michael KearneyMichael KearneyBachelor's at 10 Years, 4 Months — Youngest U.S. College…Edmund Thomas ClintEdmund Thomas ClintProduced roughly 25,000 artworks before dying at the age of six
Child prodigies →

Play & come back tomorrow

Daily Genius Challenge · Guess the genius
Scottish physicist who unified electricity, magnetism and light into one set of equations.
Tap your answer ↓
Which Genius Are You? Free IQ Test