Horacio Nestor Lalia was born in Buenos Aires, Argentina in 1941. After finishing his studies at the Escuela Panamericana del Arte under the direction of Alberto Breccia he made his professional debut in Hora Cero in 1964.

From 1966 to 1968 he worked for the British market, drawing several war stories for Fleetway via the Solano Lopez studio in Buenos Aires. He also sold work to the Chilean, Spanish and French markets during this time. In 1965 he started a cooperation with the Argentine daily La Razón and the Spanish publishing house Bruguera.

From 1975 he worked as one the main illustrators of edition Record. After several short stories, he started the gothic Nekrodamus series, written by Oesterheld. Horacio Lalia also made some comic adaptations of novels, like Paul Féval's Les Mystères de Londres and Joseph Conrad's Lord Jim.

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