Leonhard Kaiser (around 1480 – 16 August 1527; also spelled Lienhard, Lenhard, Kaysser, Kayser, Keizer, Käser) was a Lutheran theologian and reformer who was burned as a heretic.
: 143 He was accused and interrogated by Johann Eck and made confessions of his faith in Luther's teachings of the sola fide principle, and communion in bread and wine, and his rejection of consecration of priests and last rites as sacraments, and of the authority of popes and councils.
[5] While imprisoned, he received a letter of consolation from Luther, urging him, whether freed or not, to "recognize, bear, love and praise with a good heart the fatherly will of God in him."
[1]: 143–144 In a public hearing in front of the Passau Cathedral,[4] on 18 July 1527,[3] Kaiser was declared guilty of heresy, his priesthood was revoked and he was sentenced to death.
Its inscription reads: "Leonhard Kaiser, preacher and martyr of the Gospel of Christ; burned at the "Gries" near Schärding on August 16, 1527.