Creator / Instructor
- Jacobs, Jane1
- Keith, David1
- King County Wastewater Treatment Division1
- Kite, Vance1
- Klein, Bernhard1
- Klein, Tillmann1
- Konstantinou, Thaleia1
- Koolwijk, Jelle1
- Koutamanis, Alexander1
- König, Reinhard1
- Lai, Binglin1
- Leclercq, Els1
- Lieberman, Jethro K.1
- Liew, Richard1
- Malone-Lee, Lai Choo1
- Marcel, Bilow1
- Marcus, Henry S.1
- Martland, Carl D.1
- Matthias, Berger1
- Mauch, Corine1