Amherst, Hyla Emily (Gold) Foulis, 75, died surrounded by family on December 22, 2017. Hyla was the beloved wife of David James Foulis, who passed away on April 3, 2018. 

Born in Worcester, MA, to Robert Gold and Edith (Lemovitz) Gold, she is survived by her brother, Jay Gold, and his wife, Joan, and her nieces, Hollis Coblentz, Hope Coblentz, Rebecca Gold (James Wood), and Miriam Gold (Richard Van Le). She also leaves her stepchildren David (Michelle), Dean (Jill), and Scott (Jill) Foulis. Hyla adored being great-aunt to Max, Eli, and Leah Wood, and Phoebe and Adrian Le, as well as grandmother to Rose, Grace, Chelsea, Evan, and Colin Foulis. She was predeceased by her sister, Sarelle (Gold) Coblentz, and her nephew, Joshua Gold. 

Hyla graduated Phi Beta Kappa from Clark University with a BA in Mathematics before earning her Master’s in Mathematics at the University of Massachusetts Amherst, where she met her future husband. She was a talented musician who played the cello and piano in local orchestras in her youth, and she taught mathematics at a number of schools, including Washington University in St. Louis and the University of Massachusetts. She was also a contributor to many math textbooks written by her husband. She and Dave enjoyed traveling together and spending time in both Amherst and Lake Worth, Florida.  

There will be a graveside service for Hyla and Dave at noon on May 21 in Wildwood Cemetery in Amherst. Donations may be made in her honor to a charity of the donor’s choice.