Joan Almon

Joan Almon
Joan Almon was the Founding Director of the Alliance for Childhood and served as its Director of Programs. She was a former co-chair of the Waldorf Early Childhood Association of North America and a consultant on early childhood education.

Fall Height

Fall Height
Fall height is a measurement defined as the vertical distance between a designated play surface and the protective surfacing beneath it. The fall height of the equipment should not exceed the critical height of the surface in the design of playgrounds and the type and depth of surfacing used under the equipment.

Clark W Hetherington

Clark W. Hetherington
As a pioneer in the American play movement, Dr. Clark W. Hetherington was a philosopher, teacher, and physical education administrator at the university, state, and national levels. Dr. Clark W. Hetherington played an important role in defining and setting standards for the different types of playgrounds, the hierarchy of play leaders, the qualifications of playground leadership, and the organization and content of adequate training courses for play professionals.

Toni Yancey

Toni Yancey headshot
Antronette (Toni) Yancey graduated from Northwestern University, Evanston, Illinois, in 1979, where she was also the starting center for the women's basketball team. Her medical degree was earned in 1982 at the Duke University School of Medicine in Durham, North Carolina. She left her residency in psychiatry at Duke in 1984 and then practiced as a general practitioner in Durham and New York City.

Swing Safety

Swing Safety
Swing safety is a very complex issue. There are three different types of swings, placement requirements, use zone requirements, requirements for the type of fasteners and suspending elements, and surfacing requirements that must all be taken into consideration.

GameTime Athletics

GameTime Athletics
GameTime Athletics provides equipment and supplies for the sports and sport fields of recreational, school, and collegiate programs. Based in Weston, Missouri, they offer both sports facility equipment and supplies and sports field construction and maintenance.

Tim Ahern

Tim Ahern BCI Burke
Tim Ahern owned and led BCI Burke Company, a playground manufacturing company that has been in the business of creating playgrounds since the 1920s, from 1997 to 2017. Although not a member of the original Burke family, Tim held the same values and traits as his predecessors at BCI Burke.

Jensen Swing Products

Jensen Swing Products
Jensen Swing Products is a wholesale playground equipment company that specializes in swings and swing set parts and accessories. They also offer playground equipment in the style of forts that can contain other elements, such as slides, tunnels, play panels, and climbing structures, as well as teeter totters and spring riders.

Impact Attenuation

Impact attenuation of playground surfacing material is the measure of its shock absorbing properties. The shock absorbing properties are measured by dropping an instrumented metal headform onto the surface and recording the force of impact and the time of deceleration.
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