Tuhia he tomokanga mō tēnei wāhanga - I whānau mai a Liddell ki Dunblane i te tau 1794, i kuraina ia ki te Whare Wānanga o Edinburgh i mua i tana whakauru atu ki te Royal Navy i reira ia i mahi ai ki runga i te HMS "Asia" i te Pakanga o Navarino
(1827) Ko te mea nui. Mo ana whakaritenga mo te pakanga, ko ia tetahi o nga kaiwhiwhi tuatahi o te Gilbert Blane Medal i te 1832.