, but this code // executes before the first paint, when

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is not yet present. The // classes are added to so styling immediately reflects the current // toolbar state. The classes are removed after the toolbar completes // initialization. const classesToAdd = ['toolbar-loading', 'toolbar-anti-flicker']; if (toolbarState) { const { orientation, hasActiveTab, isFixed, activeTray, activeTabId, isOriented, userButtonMinWidth } = toolbarState; classesToAdd.push( orientation ? `toolbar-` + orientation + `` : 'toolbar-horizontal', ); if (hasActiveTab !== false) { classesToAdd.push('toolbar-tray-open'); } if (isFixed) { classesToAdd.push('toolbar-fixed'); } if (isOriented) { classesToAdd.push('toolbar-oriented'); } if (activeTray) { // These styles are added so the active tab/tray styles are present // immediately instead of "flickering" on as the toolbar initializes. In // instances where a tray is lazy loaded, these styles facilitate the // lazy loaded tray appearing gracefully and without reflow. const styleContent = ` .toolbar-loading #` + activeTabId + ` { background-image: linear-gradient(rgba(255, 255, 255, 0.25) 20%, transparent 200%); } .toolbar-loading #` + activeTabId + `-tray { display: block; box-shadow: -1px 0 5px 2px rgb(0 0 0 / 33%); border-right: 1px solid #aaa; background-color: #f5f5f5; z-index: 0; } .toolbar-loading.toolbar-vertical.toolbar-tray-open #` + activeTabId + `-tray { width: 15rem; height: 100vh; } .toolbar-loading.toolbar-horizontal :not(#` + activeTray + `) > .toolbar-lining {opacity: 0}`; const style = document.createElement('style'); style.textContent = styleContent; style.setAttribute('data-toolbar-anti-flicker-loading', true); document.querySelector('head').appendChild(style); if (userButtonMinWidth) { const userButtonStyle = document.createElement('style'); userButtonStyle.textContent = `#toolbar-item-user {min-width: ` + userButtonMinWidth +`px;}` document.querySelector('head').appendChild(userButtonStyle); } } } document.querySelector('html').classList.add(...classesToAdd); })(); Faculty and Staff Clean Water Institute | 黄大仙高手论坛

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Faculty and Staff

The Clean Water Institute of Calvin draws on the expertise and passion of faculty and staff from varied and complementary disciplines. Because issues around clean water in developing global regions are almost always multifaceted problems, confronting these issues requires tailored approaches that draw from wide-ranging areas of focus, experience, and expertise.

Staff

Stuart Dykstra

Stuart Dykstra

Director of Programs
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Douglas Vander Griend

Douglas Vander Griend

Professor; Director, Clean Water Institute;, Department Chair
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Faculty Researchers

Kristen Alford

Kristen Alford

Associate Professor, Public Health Program Director
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Stacy De Ruiter

Stacy De Ruiter

Associate Professor
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Omar Helferich

Omar Helferich

Visiting Scholar
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Robert Hoeksema

Robert Hoeksema

Professor
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Victor Norman

Victor Norman

Associate Professor
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Randall Pruim

Randall Pruim

Professor, Department Chair (Mathematics and Statistics)
Contributing Faculty (Computer Science), Department Chair
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Chad Tatko

Chad Tatko

Associate Professor
Pre-Pharmacy faculty advisor for chemistry and biochemistry majors
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Donald Tellinghuisen

Donald Tellinghuisen

Department Chair, Professor, Department Chair
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Jason VanHorn

Jason VanHorn

Professor, Director of Master of Science in GIScience Program
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Julie Wildschut

Julie Wildschut

Assistant Professor, Project Engineer
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David Wunder

David Wunder

Dean for Faculty Development and Research Initiatives
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