Olaf Johannessen was a Norwegian shooter who competed in the early 20th century in rifle shooting. He won two Olympic silver medals and one bronze medal at the 1920 Summer Olympics in Antwerp.
The men's 300 m rifle three positions was a shooting sports event held as part of the Shooting programs at the 1920 Summer Olympics programme. It was the fourth appearance of the 300 metre rifle three positions event at an Olympic Games. The competition was held on 31 July 1920, with 70 shooters from 14 nations competing. The event was won by Morris Fisher of the United States, the nation's first victory in the event. Niels Larsen of Denmark earned silver, while Østen Østensen of Norway took bronze.
The men's 50 metre small-bore rifle, standing position was a shooting sports event held as part of the Shooting at the 1920 Summer Olympics programme. It was the third appearance of the event but the first time in the standing position. The competition was held on 2 August 1920. 50 shooters from 10 nations competed.
The men's 50 metre team small-bore rifle, standing position was a shooting sports event held as part of the Shooting at the 1920 Summer Olympics programme. It was the only appearance of the event in the standing position, with a similar team competition being held in 1908 and 1912. The competition was held on 2 August 1920. 50 shooters from 10 nations competed.
The 300 metre military rifle, prone was a shooting sports event held as part of the Shooting at the 1920 Summer Olympics programme. It was the fourth appearance for military rifle events and the second time that medals were awarded for the prone position. The first time was the competition in 1900. The competition was held on 29 July 1920 and on 30 July 1920. 22 shooters from seven nations competed.
The 600 metre military rifle, prone was a shooting sports event held as part of the Shooting at the 1920 Summer Olympics programme. It was the fourth appearance for military rifle events and the second time that medals were awarded for the prone position. The first time was the competition in 1900. The competition was held on 29 July 1920 and 30 July 1920. 18 shooters from six nations competed.
The men's 300 metre team military rifle, prone was a shooting sports event held as part of the Shooting at the 1920 Summer Olympics programme. It was the third appearance for military rifle events but the first time that medals were awarded for teams in the prone position. The competition was held on 29 July 1920. 75 shooters from 15 nations competed.
The men's 300 metre team military rifle, standing was a shooting sports event held as part of the Shooting at the 1920 Summer Olympics programme. It was the third appearance for military rifle events but the first time that medals were awarded for teams in the standing position. The competition was held on 29 July 1920. 75 shooters from 15 nations competed.
The men's 600 metre team military rifle, prone was a shooting sports event held as part of the Shooting at the 1920 Summer Olympics programme. It was the third appearance for military rifle events but the first time that medals were awarded for teams in the prone position. The competition was held on 29 and 30 July and on 2 August 1920. 70 shooters from 14 nations competed.
The men's 300 and 600 metre team military rifle, prone was a shooting sports event held as part of the Shooting at the 1920 Summer Olympics programme. It was the third appearance for military rifle events but the first time that medals were awarded for teams in the prone position. The competition was held on 29 July 1920. 70 shooters from 14 nations competed.
John Leonard "Leon" Lagerlöf was a Swedish sport shooter who competed in the 1912 Summer Olympics, in the 1920 Summer Olympics, and in the 1924 Summer Olympics.
Kaarlo "Kalle" Kustaa Lappalainen was a Finnish sport shooter who competed in the 1920 Summer Olympics.
Vilhelm "Vilho" Vauhkonen was a Finnish sport shooter who competed in the 1912 Summer Olympics and in the 1920 Summer Olympics.
Léon Johnson was a French sport shooter who competed at the 1908 Summer Olympics, the 1912 Summer Olympics and at the 1920 Summer Olympics.
André Parmentier was a French sport shooter who competed at the 1908 Summer Olympics and at the 1920 Summer Olympics. He was born in Sauveterre de Guyenne, Gironde. In 1908 he was a member of the French team which won the bronze medal in the team free rifle competition. He also finished fourth with the French team in the team military rifle event. In the 1908 Summer Olympics he also participated in the following events:
Erik Sætter-Lassen was a Danish sport shooter who competed at the 1920, 1924, 1936 and 1948 Summer Olympics.
Fred Hilton Morgan was a South African sport shooter who competed in the 1920 Summer Olympics.
Luis Calvet Sandoz was a Spanish sport shooter who competed in the 1920 Summer Olympics and in the 1932 Summer Olympics.
Fritz Kuchen was a Swiss sport shooter who competed in the 1920 Summer Olympics.
The men's 300 m rifle three positions was a shooting sports event held as part of the Shooting at the 1948 Summer Olympics programme. It was the fifth appearance of the event at an Olympic Games. The competition was held on 5 and 6 August 1948, with 36 shooters from 13 nations competing. Each nation was limited to three shooters. The event was won by Emil Grünig of Switzerland, the nation's first victory in the event since 1900 and second overall. Silver went to Pauli Janhonen of Finland and bronze to Willy Røgeberg of Norway.
