"She wrote her doctoral thesis, which was supervised
by Friedrichs, on the stability of a spherical implosion
and was awarded her Ph.D. in 1951."
— MacTutor
See also a related Google Image Search.
For images from the reported date of Morawetz's death,
see Theology for Child Buyers.
Update of 2:56 PM ET Friday, August 11, 2017 —
Legacy.com and NYU now report that Morawetz died
on Tue., Aug. 8, not, as the AMS reported, on Mon., Aug. 7.
(The AMS has now corrected its error.)
For sloppiness about mathematics that echoes this
sloppiness about dates, see a post of Tue., Aug. 8.