Triger, Jacques

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Triger, Jacques Gender: M
born on 10 March 1801 at 10:00 (= 10:00 AM )
Place Mamers, France, 48n21, 0e23
Timezone LMT m0e23 (is local mean time)
Data source
Quoted BC/BR
Rodden Rating AA
Collector: Mandl
Astrology data s_su.18.gif s_piscol.18.gif 19°23' s_mo.18.gif s_capcol.18.gif 23°36 Asc.s_gemcol.18.gif 16°58'

Jacques Triger (bust)


French geologist who invented the 'Triger process' for digging through waterlogged ground using a pressurised caisson. Triger was also Deputy Director of coal mining operations in Chalonnes-sur-Loire (Maine-et-Loire).

He was also a paleontologist, part of the first team to excavate the archaeological site of Roc-en Paille (Chalonnes-sur-Loire, Maine-et-Loire). His very large collection of rocks, fossils and minerals is now displayed at the Museum of Natural History in Angers.

On 16 December 1867 Triger died from a heart attack after a meeting at the Geological Society of France, where he served for 35 years. Triger's name is one of the 72 names inscribed on the Eiffel Tower.

Link to Wikipedia biography


Source Notes

Michaël Mandl quotes birth record [1].


  • Vocation : Science : Geology
  • Notable : Famous : Founder/ originator ("Triger process")