In 1957, Karl Georg Kirk Christiansen was appointed head of the plastics division for the LEGO Group. On 4th February 1960, the LEGO department for wooden toy production was struck by lightning and burned down for the third time. After much consideration, it was decided to discontinue production of wooden toys and to concentrate solely on plastic toys. As a result, two of the brothers; Karl Georg Kirk Christiansen and Gerhardt Kirk Christiansen decided to leave the LEGO company and start their own separate businesses Bilofix