|First Appearance||TimeRiders (book)|
|Died||Alternate 1956, Above|
|Cause of Death||Paul Kramer|
Karl Haas was the right hand man of Paul Kramer. He went back in time from 2066 with him and others, to cause contamination. When Kramer went insane, Karl tried to reason with him, but was shot. In the correct timeline, he is killed by Bob upon arriving in the past.