Julius Timoleon Ducatel

Julius Timoleon Ducatel (6 ga Yuni, 1796 - 23 ga Afrilu, 1849) masanin kimiyyar sinadarai ne na Amurka.

 Ilimi da shekarun Paris 
Ya yi karatu a Kwalejin St. Mary, sannan ya fara hulɗa da mahaifinsa, wanda shi ne babban mai sayar da magunguna a Baltimore . Kwarewarsa a wannan fanni ta ƙara masa sha'awar nazarin kimiyyar halitta, sai ya koma Paris, inda ya shafe shekaru da dama yana wannan sana'ar.

 Aikin ilimi 

 Farfesa da kuma fannoni daban-daban na sha'awa 
Ba da daɗewa ba bayan dawowarsa Baltimore, ya zama farfesa a fannin falsafar halitta a cibiyar Injiniya, kuma daga baya farfesa a fannin sinadarai da ilimin ƙasa a Jami'ar Maryland, Baltimore . Kwarewarsa a matsayin masanin kimiyya da kuma nasararsa a matsayin malami daga baya ya kai ga zaɓensa a matsayin shugaban fannin sinadarai a sashen likitanci na jami'ar. Daga 1832 zuwa 1841, ya yi naɗi dangane da binciken ƙasa na Jiha, da farko a aikin farko, sannan a matsayin masanin ƙasa. A halin yanzu an naɗa shi farfesa a fannin sinadarai, ilimin ƙasa, da ilimin ƙasa a Kwalejin St. John, Annapolis, amma ya yi murabus daga waɗannan mukamai biyu a 1839 domin ya ƙara ba da lokaci ga ƙwarewarsa a fannin ilimin ƙasa.

 Binciken ƙasa 
A shekara ta 1843 ya yi binciken ƙasa a yankin Mississippi na sama dangane da wani balaguro da aka aika zuwa wannan yankin, kuma a shekara ta 1846 ya ziyarci gundumar Lake Superior don mutanen da ke sha'awar ci gaban masana'antu na wannan ƙasar. Ya gabatar da jerin laccoci masu ban sha'awa bayan dawowarsa, yana ba da labarin abubuwan da ya fuskanta.