Born in Sabile. He graduated from the secondary art school named after Rosenthal in 1964. year.
He studied at the art Academy of Latvia, Department of painting in E. Kalnina with the thesis work “ Attack”.
The artist worked in the Riga art school. Ya Rosenthal (1972 – 1973) and the Latvian Academy of arts, the faculty of education since 1973. year.
1992. – associate Professor of the Latvian Academy of Arts.
1973. he participates in exhibitions.
Exhibition in Riga, Latvia (the place with his wife Heinrihsone H.), 1976. year;
Exhibition in Riga, Latvia, 1986, 1991;
The exhibition in Berlin, Germany 1989. year, location with H. Heinrihsone.
1978. member of the Union of Artists.
Heinrikson, wrote the book "a Program for drawing for art schools" (1988.)
Themes ego painting - horses, ballet and piano.
Painting I. Heinrihsons is a whole scale of tones between white and black, and only in very rare cases, he uses the accents of other colors.
Diploma of the Lithuanian Artists ' Union in trienale painting Baltic States (Vilnius, 1981).
Award in the visual arts in the competition – nice (1986.).
Diploma and medal of Artists ' Union of Latvia for ludasha creative achievements in the year (1987.).
The Latvian Ministry of Education and the Union of Artists award with the diploma for art Days and organizations school art competitions (1975., 1977., 1979., 1981.) .