<P> `` Pack Up Your Troubles in Your Old Kit - Bag , and Smile , Smile , Smile '' is the full name of a World War I marching song , published in 1915 in London . It was written by Welsh songwriter George Henry Powell under the pseudonym of `` George Asaf '' , and set to music by his brother Felix Powell . </P>
<P> `` Pack Up Your Troubles in Your Old Kit - Bag , and Smile , Smile , Smile '' is the full name of a World War I marching song , published in 1915 in London . It was written by Welsh songwriter George Henry Powell under the pseudonym of `` George Asaf '' , and set to music by his brother Felix Powell . </P>
who wrote pack up your troubles in your old kit bag
who wrote pack up your troubles in your old kit bag
George Henry Powell
George Henry Powell