[size=150][size=200][url=https://www.geogebra.org/tbrzezinski]Tim Brzezinski[/url][/size][/size]

[size=200][url=https://www.geogebra.org/goldenj]John Golden[/url][/size]

[size=200][url=https://www.geogebra.org/dhabecker]Duane Habecker[/url][/size]

[size=200][url=https://www.geogebra.org/amcsquared]Audrey McLaren[/url][/size]

[size=200][url=https://www.geogebra.org/stevephelps]Steve Phelps[/url][/size]

[url=https://www.geogebra.org/jennifer+silverman][size=200]Jennifer Silverman[/size][/url]