Norm Larsen died in 1970.
Norm Larsen was born in 1923.
WD-40 was invented by Norm Larsen in 1953 to create a water displacement formula that would prevent corrosion. The name WD-40 stands for "Water Displacement, 40th formula," as it was the 40th attempt to get the formula right.
Ragnhild Larsen died in 1969.
Sigmund Larsen died in 2007.
Johannes Larsen died in 1961.
Louis Larsen died in 1950.
Edvard Larsen died in 1914.
Allan Larsen died in 2005.
Niels Larsen died in 1969.
Laurits Larsen died in 1949.
Ejner Larsen died in 1987.
Bjørn Larsen died in 2007.