Table:
John Ssebuwufu

Born	1947 (age 77–78)

Uganda

Nationality	Ugandan
Citizenship	Uganda
Alma mater	Makerere University
(BSc in Chemistry)
(MSc in Chemistry)
Queen's University Belfast
(PhD in Chemistry)
(Postdoctoral Fellowship in Chemistry)
Occupation(s)	Chemist, Educator and Administrator
Years active	1979 — present
Known for	Academics and Administration

Look at the table in the image and show any merged cells, specifying their locations with the JSON format of {'top-left':(A, B), 'bottom-right':(C, D)}, where A, B, C and D are indices (starting from 1) of the first row, the first column, the last row and the last column, respectively.

The merged cell area is: {'top-left':(1, 1), 'bottom-right':(1, 4)}.