n.
1.English paleontologist (the wife of Louis Leakey) who discovered the Zinjanthropus skull that was 1,750,000 years old (1913-1996)
Idiom of the Day
lay the groundwork for (something)
to build the foundation or basis of something, to do the basic work that will lead to future success
The new training program will lay the groundwork for the future success of the company.