Sue Black, computer scientist, marker portrait on tracing paper, 11/14/17 Advertisements

Simon Singh, marker portrait on tracing paper 11/13/17

Marker portrait, Janna Levin, physicist and author 11/4/17

Marker portrait, Rai Weiss, Nobel Prize winner in physics 11/4/17

Marker portrait, Robin Ince, comedian 11/4/17

Marker portrait, Prof Brian Cox, physicist 11/4/17

Marker portrait, Alexandra Feachem, BBC science producer 11/5/17

Marker portrait, Adam Rutherford, geneticist 11/5/17

  Marker illustration of Helen Arney, Festival of the Spoken Nerd 10/20/17

Marker portrait of mathematician Matt Parker, Festival of the Spoken Nerd 10/20/17