Question: Who was involved in the project for a monument on the north edge of the city centre of Adelaide, South Australia?

Context paragraphs:
South Terrace, Adelaide: South Terrace is a street on the south side of the city centre of Adelaide, the capital of South Australia.  It runs from Anzac Highway and connects to Glen Osmond Road.  King William Street ends at South Terrace.  It is the southern edge of the city centre, and is bounded by parklands to the south, including Veale Gardens.  Pulteney Grammar School is located on South Terrace, as is a large office tower owned by Optus.

Adelaide Casino: Adelaide Casino is a large casino and recreational venue on the north edge of the Adelaide city centre.  Located in the heritage-listed Adelaide railway station building on North Terrace, Adelaide, the casino has 90 gaming tables and 950 gaming machines, as well as several bars, function areas and restaurants.  Operated as part of the Skycity Entertainment Group, it is the sole licensed casino in South Australia, regulated by the Independent Gambling Authority and the Liquor and Gambling Commissioner (Consumer and Business Services) under the "Casino Act 1997".

Adelaide city centre: Adelaide city centre is the innermost locality of Greater Adelaide, the capital city of South Australia.  It is known by locals simply as ""The City"" or ""Town"" to distinguish it from Greater Adelaide and from the City of Adelaide (which also includes North Adelaide and the Park Lands).  The locality is split into two key geographical distinctions: the city "square mile", bordered by North, East, South and West Terraces; and the section of the parklands south of the River Torrens which separates the built up part of the city from the surrounding suburbs and North Adelaide.

Parafield Airport: Parafield Airport (ICAO: YPPF) is on the edge of the residential suburb of Parafield, South Australia, 18 km north of the Adelaide city centre and adjacent to the Mawson Lakes campus of the University of South Australia.  It is Adelaide's second airport and the fifth busiest airport in Australia by aircraft movements.  Although owned by the Government of Australia, the airport is leased to and managed independently by Parafield Airport Ltd., a wholly owned subsidiary of Adelaide Airport Limited.

Main North Road: Main North Road is the major north-south arterial route through the suburbs north of the Adelaide City Centre in the city of Adelaide, South Australia.  It continues north through the settled areas of South Australia and is a total of 307 km long, from North Adelaide to 21 km out of Port Augusta.  It follows the route established in the early years of the colony by explorer John Horrocks and was a major route for farmers and graziers to reach the capital, passing through rich farmland and the Clare Valley wine region.  In 2011, the section of road between Gawler to Wilmington was renamed Horrocks Highway.

City of Adelaide: The City of Adelaide is a local government area in the metropolitan area of Adelaide, South Australia.  It covers the original South Adelaide city centre settlement, (also known as the city, the "square mile" and (inaccurately) the CBD), North Adelaide, and the Adelaide Park Lands which surround North Adelaide and the city centre.

National War Memorial (South Australia): The National War Memorial is a monument on the north edge of the city centre of Adelaide, South Australia, commemorating those who served in the First World War.  Opened in 1931, the memorial is located on the corner of North Terrace and Kintore Avenue, adjacent to the grounds of Government House.  Memorial services are held at the site throughout the year, with major services on both Anzac Day (25 April) and Remembrance Day (11 November).

Louis Laybourne Smith: Louis Laybourne Smith CMG (1 April 1880 – 13 September 1965) was an architect and educator in South Australia.  Born in the Adelaide inner-southern suburb of Unley, he became interested in engineering and architecture while in the goldfields of Western Australia and later studied mechanical engineering at the School of Mines, serving an apprenticeship under architect Edward Davies.  After graduating he accepted a position as a lecturer at the school, and was responsible for developing the first formal architecture course in the State in 1904.  Between 1905 and 1914, he served as registrar at the school before leaving to join his long-time friend, Walter Bagot, at the architectural firm of Woods, Bagot and Jory.  He remained with the firm until his death in 1965, and over the years was involved in a number of significant projects, including the South Australian National War Memorial and the original Australian Mutual Provident building on King William Street.

Frome Road, Adelaide: Frome Road ( ) is a connecting road in the South Australian capital city of Adelaide.  It starts from North Terrace in the Adelaide city centre, running in a northerly direction past the University of South Australia, the Royal Adelaide Hospital, the Institute of Medical and Veterinary Science and the University of Adelaide, and then through the Adelaide Parklands to the Adelaide Zoo where it turns northeasterly, crosses the River Torrens via Albert Bridge, and continues through the parklands to the intersection with Melbourne Street and Brougham Place in North Adelaide.

Currie Street, Adelaide: Currie Street is a main street in the Adelaide city centre, in Adelaide, South Australia.  It runs east–to–west from King William Street, through Light Square, to West Terrace on the western edge of the city centre.

Supporting paragraphs: Louis Laybourne Smith National War Memorial (South Australia)
Answer: Louis Laybourne Smith