diff --git a/slides/chapter-01.en.md b/slides/chapter-01.en.md
index 9e0e4dd..a518861 100644
--- a/slides/chapter-01.en.md
+++ b/slides/chapter-01.en.md
@@ -1,4 +1,132 @@
 @slide(layout=content-only)
 
 @content
-TODO
+# What is L<sup style="font-weight: bold; font-size: 73%; margin-left: -.25em; margin-right: -.05em; position: relative; top: .2em">A</sup>T<sub style="font-size: 100%; margin-left: -.1em">E</sub>X?
+
+
+@slide(layout=two-previews)
+
+@left-image
+svg/chapter-01/example-word-orig.svg
+
+@left-caption
+++ Classic Word document
+
+@right-image
+svg/chapter-01/example-latex-orig.svg
+
+@right-caption
+++ Classic LaTeX document
+
+@slide(layout=content-and-preview)
+
+@content
+## Origin
+
+* Donald **Knuth**, 1977–1986: typesetting system **TeX**<span class="bubble fragment">τεχ → /tɛç, tɛx, tɛk/</span> for The Art of Computer Programming
+* Leslie **Lamport**, from 1980s: software package **LaTeX** made TeX easier to use
+
+<div style="display: flex; justify-content: space-between; align-items: stretch;">
+  <figure><img src="svg/chapter-01/knuth.jpg" style="height: 13em"/><figcaption>Donald Knuth</figcaption></figure>
+  <figure><img src="svg/chapter-01/lamport.jpg" style="height: 13em"/><figcaption>Leslie Lamport</figcaption></figure>
+</div>
+
+@preview
+![](svg/chapter-01/taocp.jpg)
+
+@slide(layout=two-previews)
+
+@left-image
+svg/chapter-01/example-word-orig.svg
+
+@left-caption
+Classic Word document
+
+@right-image
+svg/chapter-01/example-latex-orig.svg
+
+@right-caption
+Classic LaTeX document
+
+@slide(layout=content-and-preview)
+
+@content
+## Typography
+### Macro typography
+* type area
+* line length vs. distance
+* placement of headings in whitespace
+* placement of images and tables
+* widows and orphans
+* even grey value
+* …
+
+<figure style="display: flex; justify-content: space-between; width: 100%; align-items: flex-end;">
+  <img src="svg/chapter-01/satzspiegel.svg" style="height: 8em;"/>
+  <figcaption style="margin-left: 1em; font-size: .8em">Type area construction by Villard (<a class="dark-font" href="https://commons.wikimedia.org/wiki/File:Satzspiegel-4.svg">source</a>)
+  </figcaption>
+</figure>
+
+@preview
+![](svg/chapter-01/vergleich-makro.svg)
+
+
+@slide(layout=content-and-preview)
+
+@content
+## Typography
+### Micro typography
+* ligatures
+* kerning
+* real italics, small capitals, font sizes …
+* word spacing
+* …
+
+<div style="display: flex; justify-content: space-between; align-items: flex-end;">
+  <figure><img src="svg/chapter-01/schriftschnitte-crop.svg" style="height: 1.7em;"/><figcaption style="font-size: .8em;">Font styles:<br/>straight,&nbsp;oblique,&nbsp;italic</figcaption></figure>
+
+  <figure><img src="svg/chapter-01/schriftgrade.svg" style="height: 2.2em;"/><figcaption style="font-size: .8em">Font sizes:<br/>small,&nbsp;small&nbsp;magnified,&nbsp;large</figcaption></figure>
+</div>
+
+@preview
+![](svg/chapter-01/vergleich-mikro.svg)
+
+
+@slide(layout=content-only)
+
+@content
+## Further advantages
+* much better default settings<br/>than in any word processor
+* structured workflow
+* reliable undo
+* easy versioning
+* independence of proprietary software
+* source code and output<br/>readable over the long term
+* easy cooperation with other software
+
+
+@slide(layout=content-and-preview)
+
+@content
+## Procedure of this workshop
+
+**Goal:** you are going to build your own <br/>LaTeX manual based on [l2kurz](https://www.ctan.org/tex-archive/info/lshort/german).
+
+* learning by doing
+* understanding how LaTeX works
+* details can be looked up later
+
+<div class="fragment">
+**Outline:**
+
+1. ~~What is LaTeX?~~
+2. How does LaTeX work?
+3. Basic structure of a LaTeX document
+4. Project structure
+5. Lots of features
+6. Reference management
+7. Outlook
+</div>
+
+@preview
+![](svg/chapter-01/l2kurz-orig.svg)