Question: - residence is 20px south africa    - known for is calcium phosphate-based bioceramics    - work institutions is csir    - field is chemistry      - birth date is 23 may 1946      - nationality is 20px south africa    - image is dr wim richter.jpg    - birth place is south africa    - alma mater is university of pretoria , university of south africa ,    Given the details above, guess who could this information be about.
Answer: wim richter

Question: - years active is 2007 -- present    - origin is brooklyn , new york , u.s.      - birth date is 16 september 1984      - background is non_performing_personnel    - occupation is author/tv personality    Given the details above, guess who could this information be about.
Answer: tionna t. smalls

Question: - years active is 1977 & ndash ; present    - birth name is maría guadalupe araujo yong    - origin is mexico    - label is sony international    - genre is latin pop mexican pop ranchera rock en español      - birth date is 10 december 1955      - background is solo_singer    - image is ana gabriel.jpg    - occupation is singer songwriter record producer    Given the details above, guess who could this information be about.
Answer: