Crumlin Viaduct before railway tracks laid

Crumlin Viaduct before the railway tracks were laid. 

Designed by Thomas Kennard and completed in 1857, at a cost of £62,000.

The first pier was raised on 8th December 1853 and the last girder was laid on 15th December 1855.

The viaduct was 1638 feet long and 200 feet high.

The first person to cross the viaduct was Kennard, followed by his wife.

Could the man in the tall hat be Kennard?