An American researcher killed in a rock attack by protesters in Ethiopia this week was a talented scientist with a bright future, family members and mentors said Thursday.
Sharon Gray, 31, was a leader in the study of how climate change affects plants, said Savithramma Dinesh-Kumar, chairman of Gray's plant biology department at the University of California, Davis.
"She's really an always-smiling slip of sunshine. She's a smart, energetic scientist," Dinesh-Kumar said. "She had a very bright future ahead of her. And everyone knew she was going to be the star in the plant biology research area."
Gray, a post-doctoral researcher, was in the East...