0048: Hasse, who was blond as a small child, here at 3 years of age. Mannerheimintie 40, Helsinki, 1951. Photo: Hasse Walli's album	0046: Hasse on a boat trip with his grandmother Elvira, who took care of Hasse during his childhood (from age 5 to age 10). Helsinki, Finland, ca 1954. Photo: Helmer Strandberg
0504A: Hasse, at his beloved summer place, grandmother Elvira's summer cottage in Nöykkiö, Espoo, summer 1954. Photo: Hasse's album	0504B: Hasse, with his mother's father, Frans Strandberg, at Nöykkiö, summer 1955. Photo: Hasse's album
0504C: Hasse, climbing a tree, with some helpful assistance by his uncle Helmer Strandberg. Photo: Hasse's album	0504D: Hasse, with his mother's mother, Elvira Strandberg, summer 1955. Photo: Hasse's album
0507: Hasse, The Great Indian Warrior. Nöykkiö, Espoo, summer 1955. Photo: Hasse's album.	0506: Hasse, at the beloved Nöykkiö cottage, summer 1955. Photo: Hasse's album
0913: Hasse at about 10 years of age, taking a walk in the neighbourhood in Töölö. Helsinki, Finland, probably 1958. Photo: Hasse Walli's album	0503B: Hasse in Helsinki, probably spring 1958. Photo: Hasse Walli's album

0601: Hasse's class at school, 3rd year. Helsinki, Finland, May 1958 Photo: Hasse's album

0505: Hasse, with his mother Anne-Marie, in Nöykkiö, probably summer 1958. Photo: Hasse's album	0050: Hasse celebrating Christmas with his cousins at his grandmother's place. Mariankatu 24, Helsinki, 1958. Photo: Helmer Strandberg
0602: Hasse's class at school, 4th year. Helsinki, Finland, May 1959 Photo: Hasse's album	0603: Hasse's class at school, 4th year. Helsinki, Finland, May 1959 Photo: Hasse's album
0051: Hasse, at age 11, behind his first drumset, at his grandmother Elvira's house. Mariankatu 24, Helsinki, 1959. Photo: Helmer Strandberg	0052: Hasse, at age 11, behind his first drumset, at his grandmother Elvira's house. Mariankatu 24, Helsinki, 1959. Photo: Helmer Strandberg
0126: Drummer Osmo Walli, here seen on a gig with Martin Brushane Big Band, gave Hasse his first two drum lessons in 1957, when Hasse started learning the instrument. Osmo was Hasse's father Aarno's brother, and also played in his band. Photo: Martin Brushane	0127: Drummer Osmo Walli, here seen on a gig with Martin Brushane Big Band, gave Hasse his first two drum lessons in 1957, when Hasse started learning the instrument. Osmo was Hasse's father Aarno's brother, and also played in his band. Photo: Martin Brushane

0904: Hasse at 11 years of age, rehearsing intensely on his first drumset, at his grandmother Elvira's house. Mariankatu 24, Helsinki, Finland, 1959 Photo: Helmer Strandberg