Pinball Expo is currently taking place at the Renaissance Hotel in Schaumberg, Illinois. The event has a packed seminar program. Similar to the virtual 2020 edition of the event, many seminars will be streamed on Pinball Expo’s Twich channel. On Thursday, October 27th, streaming of the seminars only started during the 6:00 PM seminar of Todd Tuckey and Frank Lindenmuth. That seminar was followed by a seminar of American Pinball and a fireside chat Q&A with veteran pinball designer Pat Lawlor. The recorded livestream of Day 1 can be watched on Twitch.    Highlights of Pinball Expo ’21 Day 1: The American Pinball seminar can be watched here. Scott Gullicks and Frank Gigliotti of Riot Pinball discussed how they got into homebrew pinball design…