DESCRIPTION
Percy Lavon Julian (April 11, 1899 - April 19, 1975) was an American research chemist and a pioneer in the chemical synthesis of medicinal drugs from plants. He was the first to synthesize the natural product physostigmine; and was a pioneer in the industrial large-scale chemical synthesis of the human hormones, steroids, progesterone, and testosterone, from plant sterols such as stigmasterol and sitosterol. His work would lay the foundation for the steroid drug industry's production of cortisone, other corticosteroids, and birth control pills.
Posted By: @QWorldstar
nextvideos
He Was Waiting For Black History Month To Come Around To Do This!
358,883
No Lies? Kanye West Goes Deep During Black History Month.. Giving History!
139,947
Thoughts? Miami Mayor Unveils A Black History Month Police Cruiser!
45,228
Meanwhile: In Honor Of Black History Month.. Becky And Her Homegirls Had This To Say!
217,191
Nah It’s Black History Month: Dude Ended His Live With Becky After She Threw The N-Word!
285,475
She Wasn’t Ready For That: Dude Gets Asked To Choose Between Black History Month Or Strip Clubs And This Was His Response!
149,291
Sat Next To History: Girl Couldn't Believe Who She Was Sitting Next To!
210,468
This Just Goes To Show You That Racism Is Taught: Lil Dude Gets Asked To Choose Between Baseball And Black History Month!
101,610
Swae Lee’s Girlfriend Left Him For A Truck Driver Who Was Making $12,000 Month!
111,780
Everybody Catching Strays: Dr. Umar Had This Message For Black Women!
128,369
Former Mississippi Officer Sentenced To 20 Years In Federal Prison For Torturing 2 Black Men In 'Goon Squad' Case!
62,055
Should She Do It? Kodak Black Says He Wants Beyonce To Feature On This Song!
97,195
Kodak Black Ran Into A Certified Freak Who Was Ready For Action On The Spot!
342,432
62 Inmates Died In Texas Prison System In July Due To The Hottest Month In Recorded History!
52,419
"Who Are Slaves" Jeopardy Contestants Expose So Much With Their Answers.... Dark American History!
289,128
Kodak Black Meets Donald Trump For The First Time Since The Former President Pardoned Him!
197,158
Who Living Here? This What $1,400 Per Month Gets You In New York City!
103,177
Karen Harasses Black Man Who Was Standing In Front Of His Apartment Complex, Minding His Own Business!
111,425
Simp Of The Year: Ruby Rose Meets Fan Who Spent $62,000 In One Month On Her OnlyFans!
136,017
KAI CONFUSED AS HELL Kai Cenat Had No Idea Who Robin Thicke, Lisa Raye Or Free Was… BET Weekend Turned Into A Full History Lesson In Real Time
82,239
Black Truck Drivers Denied Service At Dennys At Sioux Falls, North Dakota!
188,028
Woke Up And Chose Violence: Old Man Loses It After Cashier Asked Him To Wear His Face Mask Properly!
223,324
In What Situation In Life Do You Need This Feature? Mercedes Shows Off Their 360 Turn Feature In Their New Electric G Wagon!
104,570
He Was A Knockout Machine: Was Ike Ibeabuchi The Most Intimidating Boxer In History?
55,688
23-Year-Old Russian Model Who Dissed Putin On Social Media... Found Dead 1 Month Later In A Suitcase!
157,523
Charleston White Goes Off On Dr Umar For Bashing Black Men For Dating White Women But Allegedly Being A Deadbeat To His Black Daughter!
67,943
Thoughts? 24kGoldn Says He Charges $175k For A Feature!
80,820
Oh Nah: This NYC Apartment Rents For $1500 A Month ... Bathtub Is In The Kitchen!
492,959
Yale Study Shows Pre-School Teachers Single Out Black Boys The Most!
101,722
Wasn’t Expecting That: Woman Gets Asked Who Her 3 Favorite Black People Are And This Was Her Response!
89,036
Kyle Rittenhouse Speaks Out & Says He's Not A Racist Person! "I Support The BLM Movement"
133,415
She Knows What She’s Doing: Chiropractor Puts A Woman’s Hips Back In Line!
136,384
Madness: Doctor Operates On A Patient While Attending Traffic Court Hearing Via Zoom!
218,500
Just Crazy: Georgia Hospital Sued By Couple Who Claim A Doctor Decapitated Their Baby During Birth After Using Excessive Force!
87,364
Buffalo Supermarket Shooter Gives Statement At Sentencing "I Did A Terrible Thing That Day, I Shot & Killed People Because They Were Black"
126,085
Can't Trust These Chicks: Relationships Are About To Get More Toxic After This New iPhone Update!
475,798
TikToker "JinnKid" Who Murdered His Wife & Her Friend Mockingly Claps During Sentencing Hearing!
105,675
Kodak Black Responds To Kanye West Who Was Concerned After Seeing Video Of Him Eating Chicken In The Middle Of The Street!
86,988
Black Bear Hops Into The Wrong Pig Pen And Regrets It!
198,728
San Diego Sheriff Deputy Almost Loses His Life After Accidentally Overdosing On Fentanyl!
220,359