1927 Born in Eckernfoerde, Germany
1943/44 Pupil of Carl Lambertz
1950 Arrived in South Africa
1957–60 Studies at the Johannesburg School of Art
Died, Johannesburg, 25 May 2006

On graduating Harrs turned his attention to printmaking, mainly woodcuts, of which some are still available.
His oill paintings and wooden sculptures have been the focl point of several solo exhibitions since 1965.
 
The collages and totems are dedicated to the Kuba tribe in the DC, a tribe well known for weaving raffia textiles and wooden objects.

Selected solo and group exhibitions in South Africa and in foreign countries:
1974 Kunsthalle Windhoek
SA Graphics, Vienna, Tel Aviv
1988 Guild Gallery, Pretoria
1990 Heimatmuseum Eckernfoerde
1991 Interart Moskau
1992 Leslie Sacks Fine Art, Los Angeles
1993 "Ubuntu", Preussag, Hannover
1997 Galerie Leonardis, Oberursel
2000 Leslie Sacks Fine Art, Los Angeles
2001 Gallery on the Square, Johannesburg
2003 ABSA Bank Art gallery
2005 Abalone Art Gallery, Hermanus

Public collections
Johannesburg Art Gallery
Pretoria Art Museum
Durban Art Gallery
Rembrandt Art Foundation, Stellenbosch
Preussag Collection, Hannover
Absa Bank Collection
Sasol Collection
and many others.