Share 'Lachlan Maclachlan'

I'm trying to find out more information about a Victorian photographer named Lachlan Maclachlan (or M'Lachlan) who was working round about the 1870s and who was 'given to composing large groups of celebrities - notably the terrible Royal Group'. I take this to mean Maclachlan specialised in composite photographs. Another brief reference I've found states that the 'terrible' Royal Group was later…