What was Ernest Just an expert in?

Marine Biologist. Ernest E. Just, a zoologist who specialized in cytology (the study of the cell), is best know for his contributions to marine biology.

1. What did Ernest Everett Just discover?
2. What was Ernest Everett Just education?
3. What degrees did Ernest Everett Just have?
4. What happened to Ernest Everett Just in 1940?
5. How many siblings did Ernest Everett Just have?
6. Why was Ernest Everett Just imprisoned?
7. When did Ernest Everett Just become a member of Omega Psi Phi?
8. What is wave of negativity?

What did Ernest Everett Just discover?

Ernest E. Just (1883–1941) is best known for his discovery of the “wave of negativity” that sweeps of the sea urchin egg during fertilization, and his elucidation of what are known as the fast and slow blocks to polyspermy.

What was Ernest Everett Just education?

After graduation from Kimball Union, Just entered Dartmouth College in 1903. In contrast to his experience at Kimball Union, Just felt alone and socially isolated at Dartmouth. Nonetheless, he graduated magna cum laude in biology with a minor in history in 1907.

What degrees did Ernest Everett Just have?

In 1915 Just was the first to receive the Spingarn Medal, presented annually to the African-American who performs the greatest service to his or her race. This was followed by the University of Chicago awarding Just his PhD degree in experimental embryology in 1916.

What happened to Ernest Everett Just in 1940?

In 1940, the German Nazis imprisoned Just in a camp, but, with the help of his wife's father, he was released. ... Earnest Just died of pancreatic cancer in Washington, D.C., on October 27, 1941. He is buried at the Lincoln Memorial Cemetery in Suitland, Maryland.

How many siblings did Ernest Everett Just have?

Just was born in Charleston, South Carolina, on August 14, 1883. He was the third of five children born to Mary Matthews Cooper Just and Charles Fraser Just. An older brother and sister died before Ernest Just was a year old; he grew up with younger siblings, Hunter and Inez.

Why was Ernest Everett Just imprisoned?

In 1940, Germany invaded France, and Just was briefly imprisoned in a prisoner-of-war camp. With the help of the family of his second wife, a German citizen, he was rescued by the U.S. State Department and he returned to his home country in September 1940.

When did Ernest Everett Just become a member of Omega Psi Phi?

By 1909, Just was teaching biology, his beloved subject, and became the head of the Department of Zoology in 1912. During his time at Howard, Just established Omega Psi Phi in 1911, the first fraternity on the campus.

What is wave of negativity?

He discovered that a “wave of negativity” sweeps over the egg during fertilization; it is a wave of ectoplasmic structural change that blocks additional sperm from binding to the egg surface, and it is associated with what is known as the fast block to polyspermy.