Table:
David Ronald de Mey Warren

AO

Born	(1925-03-20)20 March 1925

Groote Eylandt, Northern Territory, Australia

Died	19 July 2010(2010-07-19) (aged 85)

Melbourne, Australia

Nationality	Australian
Alma mater	University of Sydney
Imperial College London
University of Melbourne
Known for	Flight data recorder, cockpit voice recorder, "the black box"
Scientific career
Institutions	Defence Science and Technology Organisation

Different merged cells often exist in a table and they can be represented by the JSON {'top-left':(R1, C1), 'bottom-right':(R2, C2)}. In this JSON item, '(R1, C1)' and '(R2, C2)' are the (row_id, column_id) coordinates for the top-left and bottom-right cells in the merged region, respectively. Please examine the provided table image, identify all merged cells, and return their details using the above-mentioned format. Remember, the numbering for both rows and columns starts at 1.

The merged cell areas are as follows:
{'top-left':(1, 1), 'bottom-right':(1, 2)}
{'top-left':(7, 1), 'bottom-right':(7, 2)}.