Anna, Thomas, Ursula, Katja und Elle drawing Isadora, 2011

Heiko drawing Isadora, Graphite 20B, 2010

Thomas drawing, graphit 20B Stabilo, 2010

Ludwig drawing Isadora, colored pen, 2010

Elle drawing Isadora, graphit 20B Stabilo, 2010

Christoph drawing Isadora, graphit 20B Stabilo, 2010

Nude figure drawing at the Heidelberg City Theater, graphit 20B Stabilo, 2009

Martin drawing at the Heidelberg Castle, graphite 20B, 2009

Annette drawing Isadora, graphit 20B Stabilo, 2009

Students drawing at Cité de l'architecture et du patrimoine scetchbook 20B Paris 2009

Martin drawing Isadora graphit 20B Stabilo 2009

Joerg drawing Karsten 20B 2009

Isa and Steffi drawing still life 20B 2009

Joerg etching at his studio 20B 2009

Martin drawing near Maulbronn 20B 2009

Steffi drawing in a scetchbook 20B 2009

JOHANNES SKETCHING at Venice pen roll 2006

RRAIMUND SKETCHING near St. Jean de Bueges, France, roller ball, 2005

JOERG A. DRAWING at Castle Lichtenberg, red chalk. 1998

JOERG O. DRAWING AN COMPOSING at Staefa, Zuerich Lake,roller balll, 1997

LESSON ART HISTORY BY PROF. BELTING, Scetchbook University Heidelberg, pen roll 1996

STUDENTS DRAWING at Casa Cares, Regello, Tuscany, pen roll, 1995

SVENJA AND SUSANNE DRAWING at Casa Cares, Regello, Tuscany, roller ball, 1995

DANNI DRAWING at Casa Cares Regello, Tuscany, roller ball, 1995

ART STUDENTS TAKING AN EXAMITATION at the University of applied Sciences Mainz, roller ball, Sketchbook FH Mainz, 1995

MONIKA DRAWING A SPANISCH MAN, Scetchbook Lanzarote excursion, roller ball, 1994

ENTRANCE EXAM, University of applied Sciences Mainz, roller ball, Sketchbook FH, 1994

ASTRID ON THE ROCKS, Scetchbook Lanzarote excursion, roller ball pen, 1994

ICE TRAIN MUNICH-HEIDELBERG, Scetchbook Tuscany, roller ball pen, 1993

DIC DRAWING AT EICHTERSHEIM, felt pen, 1991

LUTZ WORKING ON A LITHOGRAPHY at Eichtersheim, roller ball, 1991

published in: Albrecht Rissler Zeichnen unterwegs mit Stift und Skizzenbuch, Callwey Verlag

LUTZ WORKING ON A LITHOGRAPHY at Eichtersheim roller ball 1991

published in: Albrecht Rissler Zeichnen unterwegs mit Stift und Skizzenbuch, Callwey Verlag

left top and bottom: drawing of Lutz and Julia

KLAUS DRAWING at Salm Alcace, France, Sketchbook Salm, roller ball and watercolor, 1990

MONIKA DRAWING, felt pen, 1962

Early in sixtees felt pen appeared first time. The one I've used was made by Schmincke. Assorted peaks has been offered. The inc had to be poured in by hand - always a mess!