Conversation so far:
Please explain Theatrum Orbis Terrarum?
Ortelius' Theatrum Orbis Terrarum, the "first modern atlas" (of 53 maps).
Did Abraham contribute to this?
In 1573 Ortelius published seventeen supplementary maps under the title Additamentum Theatri Orbis Terrarum.
What else is important to know about this ?
The Theatrum Orbis Terrarum inspired a six volume work entitled.
What is the title of the work inspired?
entitled Civitates orbis terrarum edited by.
What happened next?
Ortelius himself, who visited England to see his friend John Dee in.

Question: Where did he go next?
Self-contained rewrite: Where did Ortelius go next?