Niaj hnub no txoj kev rov ntawm 28 Hnub Dub Zoo Peb muaj Dr. Percy Lavon Julian. Txawm hais tias muaj kev tsim txom hnyav vim kev sib cais thiab kev ntxub ntxaug thoob plaws nws lub neej, Percy Julian tau los ua tus kws tshuaj thiab tsis paub txog kev lag luam tshuaj tseem ceeb los ntawm ntau cov chaw cog, uas ua rau lawv muaj peev xwm tsim tau ntau hauv cov khoom loj. Peb lub suab nkauj tso ua ke yog "Tsis muaj leej twg paub Cov teeb meem Kuv tau pom," tsoos Negro Sab ntsuj plig, teeb tsa los ntawm Henry Thacker Burleigh.
Dr. Percy Lavon Julian (1899-1975)
Ua kom tiav kev tshwm sim: Kawm tiav thawj zaug hauv nws chav kawm los ntawm DePauw University nrog bachelor's degree hauv chemistry thiab tau txais qib Master hauv chemistry los ntawm Harvard University; apawg ntseeg Ph.D. los ntawm University of Vienna; tau txais Spingarn Medal los ntawm NAACP; tus tsim ntawm Julian Lub chaw soj nstuam; etham rau National Academy ntawm Sciences; Asmeskas Chaw Xa Ntawv Pabcuam hauv nws txoj kev hwm; pom tau tias yog Lub Tebchaws Thaj Tsam los ntawm Asmeskas Kev Koom Tes Hauv Tebchaws.
Kawm ntxiv
- https://www.pbs.org/wgbh/nova/julian/lrk-whowasjulian-exp.html
- http://www.nasonline.org/member-directory/deceased-members/20001466.html
- https://www.sciencehistory.org/historical-profile/percy-lavon-julian
Tus Txhawb Nqa Koj Ua Tsaug
Lub sijhawm no ntawm 28 Hnub Dub Zoo Tshaj tau muaj kev txhawb nqa. Saib hauv qab no seb yuav txhawb nqa cov kev siv zog no li cas.
Txhawb Nqa Dub Zoo
Txhua ntu thiab ntawv blog xa $ 250 los tsim thiab tsim tawm. Xav txog kev txhawb nqa ib hnub lossis ib lub lim tiam ntawm cov neeg lag luam zoo no. Cov ntu yuav muaj nyob hauv DAWB online WITNESS Portal rau cov kws qhia thoob ntiaj teb. Cov txhawb nqa yuav raug lub npe hauv blog kab ntawm lub VocalEssence lub vas sab. Koj raug txhawb kom txhawb nqa hauv kev hwm ntawm tus neeg hlub lossis lub koom haum uas koj hlub. Tsuas yog sau lawv lub npe rau hauv Dedication seem ntawm daim foos.