Lönnrot and his contemporaries, e.g. Matthias Castrén, Anders Johan Sjögren,
and David Emmanuel Daniel Europaeus collected most of the poem variants; one poem could easily have countless variants, scattered across rural areas of Karelia and Ingria.
Lönnrot was not really interested in, and rarely wrote down the name of the singer except for some of the more prolific cases.
His primary purpose in the region was that of a physician and of an editor, not of a biographer or counsellor.
He rarely knew anything in-depth about the singer himself and primarily only catalogued verse that could be relevant or of some use in his work.

The student David Emmanuel Daniel Europaeus is credited with discovering and cataloguing the majority of the Kullervo story.

Of the dozens of poem singers who contributed to the Kalevala, significant ones are:
Arhippa Perttunen (1769–1840)
Juhana Kainulainen
Matiska
Ontrei Malinen (1780–1855)
Vaassila Kieleväinen
Soava Trohkimainen
Lönnrot and his contemporaries, e.g. Matthias Castrén, Anders Johan Sjögren,
and David Emmanuel Daniel Europaeus collected most of the poem variants; one poem could easily have countless variants, scattered across rural areas of Karelia and Ingria. Lönnrot was not really interested in, and rarely wrote down the name of the singer except for some of the more prolific cases. His primary purpose in the region was that of a physician and of an editor, not of a biographer or counsellor. He rarely knew anything in-depth about the singer himself and primarily only catalogued verse that could be relevant or of some use in his work.
The student David Emmanuel Daniel Europaeus is credited with discovering and cataloguing the majority of the Kullervo story.
Of the dozens of poem singers who contributed to the Kalevala, significant ones are:
Arhippa Perttunen (1769–1840)
Juhana Kainulainen
Matiska
Ontrei Malinen (1780–1855)
Vaassila Kieleväinen
Soava Trohkimainen
Kalevala