 Wheeler was impatient to start excavations , and in July 1921 started a six @-@ week project to excavate at the Roman fort of Segontium ; accompanied by his wife , he used up his holiday to oversee the project . A second season of excavation at the site followed in 1922 . <unk> influenced by the writings of the archaeologist Augustus Pitt @-@ Rivers , Wheeler emphasised the need for a strong , developed methodology when undertaking an archaeological excavation , believing in the need for strategic planning , or what he termed " controlled discovery " , with clear objectives in mind for a project . Further emphasising the importance of prompt publication of research results , he wrote full seasonal reports for <unk> <unk> before publishing a full report , Segontium and the Roman Occupation of Wales . Wheeler was keen on training new generations of archaeologists , and two of the most prominent students to excavate with him at Segontium were Victor Nash @-@ Williams and Ian Richmond . 
