[2] He attended school in Dunedin's Union Street, where Robert Stout was one of his teachers.

He left school aged 14 to learn the trade of printing at the Evening Star.

[1] Walker made a name for himself serving as the secretary of the Otago Typographical Union where he acted as a mentor to younger members such as Ken Baxter, leaving them with lasting commitments to the labour movement.

[4] He represented the Dunedin North electorate in Parliament from 1914 to 1919, when he was defeated by an Independent Labour candidate Edward Kellett.

For his last two years, he lived at 13 Melling Road in Lower Hutt with his daughter and son-in-law.