Haswell Alder was born in 1903 in Sunderland. He gained his managers certificate in 1927 and was manager at Wearmouth Colliery. After the NCB was formed he was a planning engineer and then a Group Mnager in County Durham, being agent for Murton and nearby collieries. He died in 1987. He was President of NEIMME from 1948-50.
Alder, H. Presidential address Transactions – Institution of Mining Engineers 108 1948-49, 439-455
Alder, H. Notes on modern machine mining Mining electrical engineer 9 1928-29, 336-344